“spatial filter”的概念、定义、翻译、参考文献-科学参考

单词	spatial filter
释义	spatial filter [`spā·shǝl `fil·tǝr] ^OPTICS An optical filter that consists of a very small aperture, such as a pinhole.
随便看	variable radio-frequency radiosonde variable recoil variable reduction variable-reluctance microphone variable-reluctance pickup variable-reluctance stepper motor variable-reluctance transducer variable-resistance accelerometer variable resistor variable-sequence robot variable speech control variable-speed drive variable-speed generator variable-speed motor variable-speed scanning variable star variable-thickness microbridge variable-time fuse variable-transconductance circuit variable transformer variable visibility variable-volume air system variable waveguide attenuator variable-word-length variance

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