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稳定年龄分布
释义
稳定年龄分布
Encyclopedia
理学
稳定年龄分布
释
stable age distribution
稳定年龄分布
如果出生率和死亡率保持不变,则种群各年龄级个体的相对比例不随时间而变化的年龄分布。
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excavation with track equipment
excavation with trackless equipment
excavation work
excavator
exceedance
exceeding
excellence in four regards
Excellence in Public Relations and Communication Management
excellency initiative
excellent
Excellent Journalism Award
excellent local ring
excellent parabolic representation
excellent ring
excenter
excentral circle
excentral hexyl ellipse
excentral triangle
except gate
Exception
exception
exceptional
exceptional algebra
exceptional analytic set
exceptional binomial coefficient
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