相反方向的

Jupiter is afflicted by Mars in opposition.

木相对于火处在相反方向应。

North and south are opposite directions.

北和南是相反方向。

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

我突然想出个好主意—我们为什么不试着向相反方向转转呢！

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 用条弧或对方向相反弧代替完全多部无向图条边所得到有向图被称为是半完全多部有向图。