千家论坛_弱电智能化技术与工程讨论(建筑智能,家居智能,人工智能)

综合布线(Cabling)
收藏本版 (10) |订阅

综合布线(Cabling) 今日: 6301 |主题: 37622

发新帖
打印 上一主题 下一主题

如何快速准确的计算综合布线用线量...

[复制链接]
ztwlabc 发布于: 2010-11-3 13:35 982 次浏览 4 位用户参与讨论
跳转到指定楼层
 
<p style="BACKGROUND: white; WORD-BREAK: break-all"><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">(</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">1</span><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">)确定线缆的类型</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></span></p>
<p style="BACKGROUND: white; WORD-BREAK: break-all"><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">要根据综合布线系统所包含的应用系统来确定线缆的类型。对于计算机网络和电话语音系统可以优先选择</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">4</span><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">对双绞线</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma"><o:p></o:p></span></p>
<p style="BACKGROUND: white; WORD-BREAK: break-all"><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">电缆,对于屏蔽要求较高的场合,可选择</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">4</span><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">对屏蔽双绞线;对于屏蔽要求不高的场合应尽量选择</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">4</span><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">对非屏蔽双绞线电缆</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma"><o:p></o:p></span></p>
<p style="BACKGROUND: white; WORD-BREAK: break-all"><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">。对于有线电视系统,应选择</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">75Ω</span><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">的同轴电缆。对于要求传输速高或保密性高的场合,应选择光缆作为水平布线线缆</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma"><o:p></o:p></span></p>
<p style="BACKGROUND: white; WORD-BREAK: break-all"><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">。</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma"><o:p></o:p></span></p>
<p style="BACKGROUND: white; WORD-BREAK: break-all"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma"><br/>&nbsp; </span><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">(</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">2</span><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">)确定电缆的长度</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma"><o:p></o:p></span></p>
<p style="BACKGROUND: white; WORD-BREAK: break-all"><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">要计算整座楼宇的水平布线用线量,首先要计算出每个楼层的用线量,然后对各楼层用线量进行汇总即可。每个楼层</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma"><o:p></o:p></span></p>
<p style="BACKGROUND: white; WORD-BREAK: break-all"><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">用线量的计算公式如下:</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma"><o:p></o:p></span></p>
<p style="BACKGROUND: white; WORD-BREAK: break-all"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; C=[0.55(F+N)+6]×M<o:p></o:p></span></p>
<p style="BACKGROUND: white; WORD-BREAK: break-all"><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">其中,</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">C</span><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">为每个楼层用线量,</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">F</span><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">为最远的信息插座离楼层管理间的距离,</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">N</span><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">为最近的信息插座离楼层管理间的距离,</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">M</span><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">为</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma"><o:p></o:p></span></p>
<p style="BACKGROUND: white; WORD-BREAK: break-all"><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">每层楼的信息插座的数量,</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">6</span><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">为端对容差(主要考虑到施工时线缆的损耗、线缆布设长度误差等因素)。</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma"><o:p></o:p></span></p>
<p style="BACKGROUND: white; WORD-BREAK: break-all"><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">整座楼的用线量:</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">S=ΣMC </span><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">,</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">M</span><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">为楼层数,</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">C</span><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">为每个楼层用线量。</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma"><o:p></o:p></span></p>
<p style="BACKGROUND: white; WORD-BREAK: break-all"><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">应用示例:已知某一楼宇共有</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">6</span><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">层,每层信息点数为</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">20</span><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">个,每个楼层的最远信息插座离楼层管理间的距离均为</span><?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:chmetcnv w:st="on" unitname="米" sourcevalue="60" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">60</span><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">米</span></st1:chmetcnv><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">,</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma"><o:p></o:p></span></p>
<p style="BACKGROUND: white; WORD-BREAK: break-all"><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">每个楼层的最近信息插座离楼层管理间的距离均为</span><st1:chmetcnv w:st="on" unitname="米" sourcevalue="10" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">10</span><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">米</span></st1:chmetcnv><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">,请估算出整座楼宇的用线量。</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma"><o:p></o:p></span></p>
<p style="BACKGROUND: white; WORD-BREAK: break-all"><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">解答:根据题目要求知道:</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma"><o:p></o:p></span></p>
<p style="BACKGROUND: white; WORD-BREAK: break-all"><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">楼层数</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">M=20<o:p></o:p></span></p>
<p style="BACKGROUND: white; WORD-BREAK: break-all"><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">最远点信息插座距管理间的距离</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">F=<st1:chmetcnv w:st="on" unitname="m" sourcevalue="60" hasspace="False" negative="False" numbertype="1" tcsc="0">60m</st1:chmetcnv><o:p></o:p></span></p>
<p style="BACKGROUND: white; WORD-BREAK: break-all"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">&nbsp;&nbsp;&nbsp; </span><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">最近点信息插座距管理间的距离</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">N=<st1:chmetcnv w:st="on" unitname="m" sourcevalue="10" hasspace="False" negative="False" numbertype="1" tcsc="0">10m</st1:chmetcnv><o:p></o:p></span></p>
<p style="BACKGROUND: white; WORD-BREAK: break-all"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">&nbsp;&nbsp;&nbsp; </span><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">因此,每层楼用线量</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">C=[0.55(60+10)+6]×20=<st1:chmetcnv w:st="on" unitname="m" sourcevalue="890" hasspace="False" negative="False" numbertype="1" tcsc="0">890m</st1:chmetcnv><o:p></o:p></span></p>
<p style="BACKGROUND: white; WORD-BREAK: break-all"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">&nbsp;&nbsp;&nbsp; </span><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">整座楼共</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">6</span><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">层,因此整座楼的用线量</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">S=890×6=<st1:chmetcnv w:st="on" unitname="m" sourcevalue="5340" hasspace="False" negative="False" numbertype="1" tcsc="0">5340m</st1:chmetcnv><o:p></o:p></span></p>
<p style="BACKGROUND: white; WORD-BREAK: break-all"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">3.</span><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">订购电缆</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma"><br/></span><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">目前市场上的双绞线电缆一般都以箱为单位进行订购。常见装箱形式为:</span><st1:chmetcnv w:st="on" unitname="m" sourcevalue="305" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">305m</span></st1:chmetcnv><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">(<st1:chmetcnv w:st="on" unitname="ft" sourcevalue="1000" hasspace="False" negative="False" numbertype="1" tcsc="0">1000ft</st1:chmetcnv>) WE TOTE</span><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">包装形式。因此在水</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma"><o:p></o:p></span></p>
<p style="BACKGROUND: white; WORD-BREAK: break-all"><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">平子系统设计中,计算出所有水平电缆用线总量后,应换算为箱数,然后进行电缆的订购工作。订购电缆箱数的公式</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma"><o:p></o:p></span></p>
<p style="BACKGROUND: white; WORD-BREAK: break-all"><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">应如下:&nbsp; </p>
<p class="MsoNormal"><span class="MsoHyperlinkFollowed"><span lang="EN-US" style="FONT-SIZE: 5pt; mso-bidi-font-size: 12.0pt"><a href="http://www.ztwl.cn/"><span lang="EN-US" style="COLOR: white; FONT-FAMILY: 宋体; TEXT-DECORATION: none; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; text-underline: none"><span lang="EN-US">南京综合布线</span></span></a><span style="mso-spacerun: yes">&nbsp; </span><a href="http://www.ztwl.cn/"><span lang="EN-US" style="COLOR: white; FONT-FAMILY: 宋体; TEXT-DECORATION: none; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; text-underline: none"><span lang="EN-US">南京系统集成</span></span></a><span style="mso-spacerun: yes">&nbsp; </span><a href="http://www.ztwl.cn/"><span lang="EN-US" style="COLOR: white; FONT-FAMILY: 宋体; TEXT-DECORATION: none; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; text-underline: none"><span lang="EN-US">南京安防监控</span></span></a><span style="mso-spacerun: yes">&nbsp;&nbsp; </span><a href="http://www.ztwl.cn/"><span lang="EN-US" style="COLOR: white; FONT-FAMILY: 宋体; TEXT-DECORATION: none; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; text-underline: none"><span lang="EN-US">南京门禁系统</span></span></a><o:p></o:p></span></span></p>
<p style="BACKGROUND: white; WORD-BREAK: break-all"></span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma"><o:p></o:p></span></p>
<p style="BACKGROUND: white; WORD-BREAK: break-all"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">订购电缆箱数</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">=INT(</span><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">总用线量</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">/305) </span><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">,</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">INT</span><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">()为向上取整函数。</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma"><o:p></o:p></span></p>
<p style="BACKGROUND: white; WORD-BREAK: break-all"><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">例如,已知计算出整座楼的用线量为</span><st1:chmetcnv w:st="on" unitname="m" sourcevalue="5340" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">5340m</span></st1:chmetcnv><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">,则要求订购的电缆箱数为:</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma"><o:p></o:p></span></p>
<p style="BACKGROUND: white; WORD-BREAK: break-all"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; INT</span><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">(</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">5340/305</span><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">)</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">=INT</span><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">(</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">17.5</span><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">)</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma">=18</span><span style="FONT-SIZE: 9pt; COLOR: #222222; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma; mso-bidi-font-family: Tahoma">(箱)</span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: #222222; FONT-FAMILY: Tahoma"><o:p></o:p></span></p>
回复

使用道具 举报

已有4人评论

新浪微博达人勋

千家认证

沙发
zghcisco 发表于 2010-11-3 21:16:00
写的不错
回复 支持 反对

使用道具 举报

新浪微博达人勋

千家认证

板凳
tupaiko 发表于 2010-11-3 21:52:00
好工式,要好好学习了!
回复 支持 反对

使用道具 举报

新浪微博达人勋

千家认证

地板
wxl736677 发表于 2010-11-4 08:45:00
<p>学习学习!!!恩恩!!</p>
回复 支持 反对

使用道具 举报

新浪微博达人勋

千家认证

5#
cuichuanzhang 发表于 2010-11-4 09:33:00
很好的,不过不知道这一计算误差在多少以内?
回复 支持 反对

使用道具 举报

您需要登录后才可以回帖 登录 | 立即注册 新浪微博登陆 千家通行证登陆

本版积分规则

千家智客微信号
千家智客微信
玩物说商城
玩物说商城