In the experiment, the method of determination of impulse scale factor of visual instrument and the effect of measuring the time parameters with visual instrument are studied.

用试验初步研究了确定虚拟仪器冲击刻度因数的方法和虚拟仪器测量时间参数的效果。

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Scale is an important instrument of measuring OC, designing and choosing scale have a directly effect on the result of study.

量表是测量组织文化的重要工具，正确设计或选择量表直接影响着研究成果。

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The circuit, through evaluating the input voltage and controlling the selector of the measuring scale, realizes automatic selection in high precision instrument.

该电路通过对被测电压的判断和量程选择器的控制，实现了在高精度仪表中量程的自动选择。

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