文件名称:dengjingdupinglvji
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设计一个用等精度测频原理的频率计。
频率测量范围1~9999；
其精度为 ；
用4位带小数点数码管显示其频率；
并且具有超量程、欠量程提示功能；
-Such as the design of a precision frequency measurement using the principle of the frequency meter. Frequency measuring range 1 ~ 9999 its accuracy 4 with a decimal point with digital display of its frequency and has super-range, less range prompt function
频率测量范围1~9999；
其精度为 ；
用4位带小数点数码管显示其频率；
并且具有超量程、欠量程提示功能；
-Such as the design of a precision frequency measurement using the principle of the frequency meter. Frequency measuring range 1 ~ 9999 its accuracy 4 with a decimal point with digital display of its frequency and has super-range, less range prompt function
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dengjingdupinglvji.txt