初步探讨了人工饲养条件下白鱀豚声音传播与环境适应的关系。
The relationship between sound transmission and environmental adaptation of Lipotes vexillifer in captivity was preliminarily studied.
本试验研究了狍在人工饲养条件下的繁殖行为。
在人工饲养条件下，利用水泥方砖采卵效果良好。
Under the condition of artificial feeding, effect of using cement quadrel to collect eggs was good.
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