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年龄中位数
释义
年龄中位数
Encyclopedia
法学
年龄
释
median age
年龄中位数
将全体人口按年龄大小的自然顺序排列时居于中间位置的人的年龄数值。又称中位年龄、中数年龄。
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frequency stability criterion
frequency stability measurement
frequency stabilization
frequency stabilized laser
frequency standard
frequency standards
frequency step
frequency sweep mode
frequency swept laser
frequency switching
frequency synchronization
frequency synthesis
frequency synthesized signal generator
frequency synthesizer
frequency table
frequency theorem
frequency theory
frequency theory of probability
frequency thermometer
frequency transition
frequency upconversion
frequency value measurement
frequency-varying induced polarization instrument
Frequent Asked Questions,FAQ
frequent blinking
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