migrate down中文什么意思

向下游

• migrate:    vi. 迁移；移居，(尤指)移居海外 ...
• down:     down3 n. 1.( ...
• in-migrate:    vi. (由外地)移来，迁入。 n. ...

例句与用法

1. Migrating down calls the down methods in reverse order
   向下迁移则以相反的顺序调用
2. Now suppose you ve made a terrible mistake and need to migrate down to a previous version . type : rake migrate version 1
   现在假设犯了可怕的错误，需要向下迁移回原来的版本，请输入：
3. In the near field , the vortex pairs are gradually and periodically formed , and at the same time they migrate down stream under the self - induced velocity
   在作动器出口附近，旋涡对逐渐卷起并向下游推进，而且旋涡对是不连续的。