传统的基于电压测试的测试方法已得到了广泛的应用。

Traditional testing methods based on voltage testing have been widely used in practice.

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完成了NI公司数据采集设备的噪声电压测试和波形同步循环测试；

The noise voltage and the synchronous waveform cycle are tested using the data acquisition equipment of NI corporation.

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电压测试方法可以检测出大量的物理缺陷，而且比较简单，速度较快。

Voltage based testing can detect many defects in a simple and fast way.

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So, when the voltage difference between the plates is zero, or when we just don't have the plates there at all, the cathode rays are not bent, they just go right in a straight line, and they can be detected on this screen.

拐弯来测试它们是否带电,当两板之间电压为零，或者根本就,没有这两个板时，阴极射线是一条直线,它可以在屏幕上。

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