它们是人类繁育过程的一部分。

They are part of the human procreation process.

youdao

因此建议在熊蜂的人工繁育过程中， 在不同的发育阶段应给予不同的饲料配方。

We so suggest that different food for bumblebee colony should be provided at different developmental phases in artificial rearing of bumblebees.

youdao

由于各方面的原因，建鲤进入大面积推广后，在繁育过程仅开展了强度很小的群体选育，导致了建鲤生长性状的个体差异增大。

Only little intensive mass selection was carried out during the culture after it is extended to all over the country, which result in large differences between individuals.

youdao