名词
中文翻译：锁定放大器
同义词：
['锁定放大器，锁定放大器例句：1. The lock-in amplifier is used to amplify the signal from the sensor.（锁定放大器用于放大传感器的信号。）']
例句：
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1. The lock-in amplifier is used to amplify the signal from the sensor.
锁定放大器用于放大传感器的信号。
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2.The lock-in amplifier was designed to improve the accuracy of the measurement.
锁定放大器被设计用来提高测量的准确性。
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3.The lock-in amplifier was used to detect the presence of an intruder.
锁定放大器被用来检测入侵者的存在。