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短语
age-grouping
释义
age group, age-group
【社会学】(社会人口中年龄相近的人形成的)年龄群,年龄组,年龄相仿的一群人,同一年龄的人们,同一年龄范围内的人们[亦作age bracket, age class]
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optical rectification
optical reflectometer
optical relay
optical relays
optical rotation
Optical Rotations
optical rotatory dispersion
opticals
optical scanner
optical scanners
optical scanning
optical sound
optical sound head
optical sound recorder
optical soundtrack
optical spectrograph
optical spectrometer
optical spectroscope
optical square
optical storage
optical superposition principle
optical surface
optical system
optical systems
optical theorem
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更新时间:2026/4/29 18:44:08