名词
中文翻译：相位差指示器
同义词：
['phase difference indicator', 'phase difference meter', 'phase difference gauge']
例句：
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1. The phase-difference indicator is used to measure the phase difference between two signals.
相位差指示器用于测量两个信号之间的相位差。
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2.The phase-difference indicator was used to detect the presence of a fault in the circuit.
相位差指示器被用来检测电路中是否存在故障。
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3. The phase-difference indicator was used to monitor the performance of the system during testing.
相位差指示器被用来监测系统在测试期间的性能。