<?xml version="1.0" encoding="UTF-8"?>
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<?xml-stylesheet href="http://www.hwwiki.net/lib/exe/css.php?s=feed" type="text/css"?>
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    xmlns="http://purl.org/rss/1.0/"
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    <channel rdf:about="http://www.hwwiki.net/feed.php">
        <title>硬件Wiki 设计:原理图:bom</title>
        <description></description>
        <link>http://www.hwwiki.net/</link>
        <image rdf:resource="http://www.hwwiki.net/lib/tpl/dokuwiki/images/favicon.ico" />
       <dc:date>2026-04-15T05:52:23+00:00</dc:date>
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            <rdf:Seq>
                <rdf:li rdf:resource="http://www.hwwiki.net/doku.php?id=%E8%AE%BE%E8%AE%A1:%E5%8E%9F%E7%90%86%E5%9B%BE:bom:start&amp;rev=1719188546&amp;do=diff"/>
            </rdf:Seq>
        </items>
    </channel>
    <image rdf:about="http://www.hwwiki.net/lib/tpl/dokuwiki/images/favicon.ico">
        <title>硬件Wiki</title>
        <link>http://www.hwwiki.net/</link>
        <url>http://www.hwwiki.net/lib/tpl/dokuwiki/images/favicon.ico</url>
    </image>
    <item rdf:about="http://www.hwwiki.net/doku.php?id=%E8%AE%BE%E8%AE%A1:%E5%8E%9F%E7%90%86%E5%9B%BE:bom:start&amp;rev=1719188546&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2024-06-24T08:22:26+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>设计:原理图:bom:start</title>
        <link>http://www.hwwiki.net/doku.php?id=%E8%AE%BE%E8%AE%A1:%E5%8E%9F%E7%90%86%E5%9B%BE:bom:start&amp;rev=1719188546&amp;do=diff</link>
        <description>BOM

Excel计算位号个数

Excel BOM文件中计算位号个数公式（M30为单元格）：

=LEN(M30)-LEN(SUBSTITUTE(M30,“ ”,“”))+1 （位号之间用空格间隔，位号不能有-连号如C379-C383）

=LEN(M30)-LEN(SUBSTITUTE(M30,“</description>
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