The center of ascending motion swings around the equator with variation of seasons.

上升运动的中心随着季节的变化在赤道地区南北移动。

youdao

Together they locate design in the center of the picture as it is design that provides the variation that is so essential to modern society.

他们共同将设计定位于图片的中心，因为是设计提供了对现代社会非常必要的变化。

youdao

The aggregate thickness of loess has a clear regional variation with the east of Gansu, the north of Shannxi, the east of Shanxi being the center regions.

黄土堆积的总厚度在地域上有明显的变化，陇东、陕北、晋西是黄土分布的中心区。

youdao

"The remaining 88 percent of the variation from one center to another are unmeasured factors, that we don't quite know what those factors are."

VOA: standard.2010.07.14