longadj.长的；冗长的；久的；长音的adv.长期地；久地；用于名词后强调某事发生在某整段时间v.渴望n.长时间；长音节；囤积商品者Longshan龙山

1. Its gain is the product of the gains of its constituent branches.
   它的增益等于它含有的分支的增益的积。
2. Clonal propagation can also give some large gains in a relatively short time.
   繁殖无性系也可以在较短期间内提供较大的增益。