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单词
beam efficiency
释义
beam efficiency
波束效率
随便看
f-mode
FMS
Fm star
Fm 星
f number
focal distance
focal extender
focal image
focal length
focal line
focal plane
focal-plane array
focal-plane instrumentation
focal-plane modulator
focal-plane spectrometer
focal point
focal power
focal ratio
focal ratio degradation
focal reducer
focal surface
focus
focused reflector
focuser
focusing
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更新时间:2025/3/16 3:13:41