main operation direction

• 主要作战方向

main operation direction的用法和样例：

例句

1. I am not objecting to operations in two or more directions,but at any given time there ought to be only one main direction.
   我不反对作战方向有两个或两个以上，但主要的方向，在同一个时间内，只应有一个。
2. The Red Army's battle lines are determined by the direction in which it is operating.
   红军的作战线，服从于红军的作战方向。