migration的意思

migration的意思 Migration migration有移民的意思吗,有移民这个人的成分吗, 请问vertical migration是什莫意思?我在alter的cyclone2器件手册里看到的 Immigration和migration有什么不同?从意思和词性上来看,都是一样的啊!具体在使用的时候有什么不同. Global Migration TestSpecific Migration Test这都是什么测试PS：上下文是关于不锈钢产品的材质测试 animal migration celtic migration colour migration Does my walking to stores make any real difference to the world?的意思when the comes for migration ,a few of them first take off form the lake Does my walking to stores make any real difference to the world?的意思when the comes for migration a few of them first take off form the lake migration和emigration和immigration的区别 最好用英文解释 application migration是什么意思 migration policy是什么意思 migration immigration 区别? migration policy是什么意思 migration policy是什么意思 immigration 和 migration