名词
中文翻译：光增益
同义词：
['light amplification', 'light enhancement']
例句：
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1.The device uses a light gain to increase the signal strength.
该设备使用光增益来增强信号强度。
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2.In the experiment, we observed that the light gain was significantly higher in the dark chamber.
在实验中，我们发现暗室的光增益显著高于明室。
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3. The engineer designed a system with a light gain of 1000:1 for better image quality.
工程师设计了一个系统，光增益为1000:1，以获得更好的图像质量。