名词
中文翻译：相位计
同义词：
['phase indicator', 'phase gauge']
例句：
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1. The engineer used a phase meter to measure the angle of the magnetic field.
工程师使用相位计测量磁场的角度。
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2. The phase meter showed that the voltage was off by 10%.
相位计显示电压降低了10%。
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3. The phase meter helped us understand the relationship between the two signals.
相位计帮助我们理解了两个信号之间的关系。