long-run gains

• 长期增益(收获量)

long-run gains的用法和样例：

例句

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。