“natural fertility”的概念、定义、翻译、参考文献-科学参考

单词	natural fertility
释义	natural fertility Encyclopedia 法学自然生育率释 natural fertility自然生育率不存在任何有意识的生育控制条件下的生育率。
随便看	initial star initial starting torque of motor initial state initial state effects initial state radiation initial strip initial structure initial sun initial surface initial susceptibility initial term initial topology initial value initial value condition initial value problem initial-value problem initial value problem in general relativity initial variety initial velocity initial vertex initial zone initiate initiated establishment initiating initiating circuit

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