... 控制信号调整 control-signal modification 控制信号合成 control-signal synthesis 可控（制）性 controllability ...
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The design method of normal frequency standard signal source, which utilizes program control digital wave synthesis technology and achieved by microcontroller was given.
采用程控数字波形合成技术，通过单片微型计算机系统实现了工频标准信号源。
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