Manual propagation

• 人工繁育

Manual propagation的用法和样例：

例句

1. The studies on gonad and sex control in Amur sturgeon are necessary for artificial propagation and breeding and hologynic production in the process of sturgeon cultivation.
   对施氏鲟性腺发育和性别控制的研究，是解决鲟鱼养殖过程中人工繁育和全雌化生产的基础和必要手段。