名词
中文翻译：分散角
同义词：
['dispersion angle', 'spread angle', 'divergence angle']
例句：
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1.The dispersion angle of the light beam is measured by a spectrometer.
光光束的分散角通过光谱仪测量。
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2.The dispersion angle of the light beam is important for understanding the behavior of matter.
光光束的分散角对于理解物质的行为至关重要。
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3. The dispersion angle of the light beam affects the accuracy of the measurements.
光光束的分散角影响测量的准确性。