英语词汇“collimated light beam”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	collimated light beam
释义	collimated light beam 基本例句平行光束 The parabolic reflector of a searchlight gives a parallel beam.探照灯的抛物面反射镜发出平行光束。 Under astigmatism even narrow parallel light beams will not combine into one point.有象散存在时甚至很窄的平行光束都不能会聚在一点。
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