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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.
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lsyd
lsye
lsyf
lsyfa
lsyo
lsyou
lsyp
lsype
lsyr
lsys
lsysa
l-systems modeling language
lsz
lszh
lszw
l&t
l/t
lt
lt.
lt1
lt1eswtr
l-t2
lt-2
lt2
lt2eswtr
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更新时间:2025/3/18 18:55:46