名词
中文翻译：激光线宽
同义词：
['光阑宽度例句：1. The laser beam was narrow enough to pass through the small aperture.（激光束足够窄，能够穿过小孔。）']
例句：
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1. The laser beam was narrow enough to pass through the small aperture.
激光束足够窄，能够穿过小孔。
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2.The laser linewidth measurement is crucial for the accuracy of the experiment.
激光线宽测量对于实验的准确性至关重要。
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3. The laser linewidth is measured in nanometers, which is very small compared to other types of light.
激光线宽以纳米为单位测量，与其他类型的光相比非常小。