名词
中文翻译：方波光栅
同义词：
['sinusoidal grating', 'sinusoidal grating', 'sinusoidal grating']
例句：
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1. The square-wave grating is used in the optical communication system to enhance the signal strength.
方波光栅用于光学通信系统中以增强信号强度。
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2. The sinusoidal grating is a type of grating that produces a periodic pattern when illuminated with light.
正弦光栅是一种在用光照射时产生周期性图案的格栅类型。
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3. The sinusoidal grating is used in the medical field to detect and treat diseases by analyzing the patient's body signals.
正弦光栅在医学领域被用来分析病人的身体信号，以检测和治疗疾病。