名词
中文翻译：光学差分接收机
同义词：
['optical heterodyne detector', 'optical heterodyne transceiver']
例句：
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1. The optical heterodyne receiver is used in the detection of weak signals.
光学差分接收机用于检测微弱信号。
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2.The optical heterodyne receiver has a high sensitivity and can detect even faint light.
光学差分接收机灵敏度高，可以检测到非常微弱的光。
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3.In this experiment, we used an optical heterodyne receiver to measure the frequency of a laser beam.
在这个实验中，我们使用了一个光学差分接收机来测量激光束的频率。