名词
中文翻译：阅读光学光束同义词
同义词：
['optical beam', 'reading beam']
例句：
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1.The laser is used to read the opticalbeams on a computer screen.
激光用于读取计算机屏幕上的光学光束。
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2. The optical beamwas directed towards the target.
光学光束被指向目标。
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3. The reading beam was too weak tobe detected by the eye.
阅读光束太弱，无法被眼睛检测到。