back side pattern的意思|示意

China's traditional migration pattern has meant that family members have often stayed in the rural areas, with migrants saving most of their income and sending it back to the country side.

中国的传统人口迁移模式意味着家庭成员往往留在农村，外出务工人员把大部分收入储蓄起来寄回农村。

In his global warming experiment, he suspended heaters in a grid pattern to create heated plots, then unheated plots, back and forth, so he can judge the effects side by side.

在他的全球变暖实验中，他按照格子状悬挂加热器，以组成加热区和非加热区，来来回回，这样来判款交互影响。