相反方向的

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—我们为什么不试着相反方！

North and south are opposite directions.

北和南是相反方。

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 用条弧对方相反弧代替完全多部无每条边所得到有被称为是半完全多部有。