英语词汇“beam-spread angle”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	beam-spread angle
释义	beam-spread angle beam-spread angle The width of a light beam, measured in degrees, at the meeting point between two imaginary lines at which the light intensity drops to half its maximum value.
随便看	direct-current machine etherialising etheriality etherialize etherialized etherializes etherializing etherially etheric etherical etheric body etheric rain engineering etheric surgery etheridge, anna etherification etherified etherifies etheriform etherify etherifying etherin etherington conservation center etherin theory etherion etherisation

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