The only thing I don't know is whether this guy will be going in the same direction as big N or in the opposite direction.
我唯一不知道的事情是,这个东西和大N有相同还是相反的方向。
Actually, what is implicit in this explanation is that I am counting positively all the stuff that flows across C in the direction of n and negatively what flows in the opposite direction.
以上的解释实际默认了,把沿着n方向流过C的,都算作正值,相反方向的，算作负值。
To search for the same phrase in the opposite direction, type n.
想再次搜索相同的短语并以相反的方向，键入n。
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