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稳定年龄分布
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稳定年龄分布
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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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natural resin coating
natural resonance
natural resource
natural resource accounting
Natural resource assets
Natural resource assets auditing
natural resource economics
natural resource model
natural resource optimal use theory
natural resource pricing
natural resource rent
natural resources
Natural Resources and Archives Museum of Guangxi Zhuang Autonomous Region
natural resources audit framework
Natural Resources Defense Council
natural resources exhibition
natural resources of China
natural resources of groundwater
natural resources property right system
natural resources rights
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Natural Right and History
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