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平春分点
释义
平春分点
Encyclopedia
工学
天球坐标系统
释
mean equinox
平春分点
仅考虑岁差影响的黄道和赤道,分别称为平黄道和平赤道,相对应的春分点。
Astronomy
mean equinox
平春分点
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Optical Instruments
optical instruments
optical instruments for site testing
optical instruments positioning
optical integration
optical interference thin films
optical interferometer
optical interferometry
Optical Interferometry Exchange Format
Optical Inter-orbit Communications Engineering Test Satellite
optical invariant
optical isolator
optical isomer
optical isomerism
optical jukebox
optical Kerr effect
optical label switching,OLS
optical laser radar
optical lattice
optical length
optical level
optical lever
optical levitation
optical libration
optical libration of the Moon
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