wide-range exposure meter 大量程曝光表 wide-range frequency meter 宽带频率计 wide-range gamma-ray doserate meter 宽量程γ射线剂量率计 ..
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wide range frequency meter 宽量程频率计
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This article proposes with designs frequency meter's method based on at89C51 monolithic integrated circuit to be possible to obtain the precision to be high, the frequency range wide frequency meter.
本文提出的用基于AT 89 C 51单片机设计频率计的方法可获得精度较高、频率范围宽的频率计。
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