“stable age distribution”的概念、定义、翻译、参考文献-科学参考

单词	stable age distribution
释义	stable age distribution 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。
随便看	Direct-Response Television Marketing directrix directrix of a conic directrix of a conical surface directrix of a cylindrical surface direct rule of inference direct rule of three direct sampling direct sampling technique direct search direct search factorization direct search method direct seeding direct selection direct selection and submission to the throne for approval direct sensitivity direct sequence direct sequence spread spectrum direct service direct shear test of rocks direct similarity direct similitude direct simulation Monte Carlo direct-simulation Monte Carlo direct-simulation Monte Carlo, DSMC

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