搜索 - 科创

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在很多工程问题（如离散系统的Z逆变换）都需要使用到长除法，但是传统长除法计算方法在运算过程中需要十分谨慎的运算过程，因为每一步运算都基于前一步运算的结果，所以很容易导致“一步错步步错”的结果。

这个问题我认为要解决以下问题能量的方向性要强这个和天线一样第二方向要强要远频率要高开关管有上M是个问题能量这要是大了你很难保证谐波小到不影响别的通信占用的频段。

程序是用2007写的但是2009一般upgrading project应该没太大问题。。。没用过什么稀奇古怪的技术如果新建工程导入不能，那说明你安装的时候或多或少的出现过一些小问题？

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