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单词
real object
释义
real object
[`rēl `äb·jikt]
OPTICS
A collection of points which actually serves as a source of light rays in an optical system.
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pi network
pin expansion test
pinfeather
pin-feed printer
ping
pinger
pingo
pingo ice
pingo remnant
ping-pong
pinguecula
pinguite
pinhole
pinhole camera
pinhole chert
pinhole detector
pinic acid
Pinicae
pinion
pinite
pin jack
pin joint
pin junction
pink disease
pinkeye
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