相反方向

He suddenly doubled and ran in the opposite direction.

他突然转身, 朝反方跑去。

North and south are opposite directions.

北和南是反的方。

I've just had an inspiration; why don't we try turning it the other way!

我突然想好主意—我们为什么不试着反的方转转呢！

A semicomplete multipartite digraph is obtained by replacing each edge of a complete multipartite graph by an arc or by a pair of two mutually opposite arcs.

摘要 用条弧或对方反的弧代替完全多无图的每条边所得到的有图被称为是半完全多有图。

Double Rollers Crusher is used to crush clunch and partial shales for brick enterprises. It has two rollers to circumrotate in reverse. The clunch between rollers are crushed by extrusion.

双辊破碎机普遍用于粘土和分混合原料生产砖瓦的破碎设备，它有两工作辊子作反方旋转，辊子间的粘土受到挤压而破碎。