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📁 详细介绍了步进电机
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<HTML><HEAD><TITLE>步进电机原理3</TITLE>
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<STYLE type=text/css>.style2 {
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<META content="MSHTML 6.00.2900.2180" name=GENERATOR></HEAD>
<BODY text=#000000 bgColor=#ffffff onload=makesnake()><TR><TD 
bordercolor="#CCCCCC" valign="top">
<TABLE height=66 width=779 align=center border=1>
  <TBODY>
  <TR>
    <TD width=564 background=步进电机原理3.files/004.gif>
      <DIV align=center><SPAN class=style2>★★★今天是:</SPAN></SPAN> <SPAN 
      class=style2>
      <SCRIPT language=JavaScript>
today=new Date();
function initArray(){
this.length=initArray.arguments.length
for(var i=0;i<this.length;i++)
this[i+1]=initArray.arguments[i] }
var d=new initArray(
"星期日",
"星期一",
"星期二",
"星期三",
"星期四",
"星期五",
"星期六");
document.write(
"<font color=#0000ff style='font-size:12pt;font-family: 宋体'> ",
today.getYear(),"年",
today.getMonth()+1,"月",
today.getDate(),"日",
d[today.getDay()+1],
"</font>" ); 
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function www_helpor_net()
{
var Digital=new Date()
var hours=Digital.getHours()
var minutes=Digital.getMinutes()
var seconds=Digital.getSeconds()

if(minutes<=9)
minutes="0"+minutes
if(seconds<=9)
seconds="0"+seconds
myclock="现在时刻:<font size='5' face='Arial black'>"+hours+":"+minutes+":"+seconds+"</font>"
if(document.layers){document.layers.liveclock.document.write(myclock)
document.layers.liveclock.document.close()
}else if(document.all)
liveclock.innerHTML=myclock
setTimeout("www_helpor_net()",1000)
}
www_helpor_net();
          </span>
                <script language="JavaScript"> <script language="JavaScript">

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  }

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}

snapIn(100,0);

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