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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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pretzel sunday
pre-u
preu
preunification
preunion
preunite
preuniversity
pre university college
preurethral ligament of waldeyer
preurethritis
preuss, arthur
preussen
preussisch blau
preussischen geologischen landesanstalt
preussisch eylau
p-rev
prev
preva
prevacid
prevacid 24 hr
prevacid 24hr
prevacid i.v.
prevacid solutab
prevacid triple therapy
prevagt
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更新时间:2025/3/18 15:30:15