Therefore, the upward and downward of the communication indicates its effective functionality in a lateral direction.
因此，通信的向上和向下表示其在横向方向上的有效功能。
Communication flows according to the formal chain of command, both upward and downward.
沟通信息按照正式的指挥链流动，既可以上行，也可以下行。
The direction of communication can be upward, downward or horizontal.
沟通的方向可分为下行沟通、上行沟通和平行沟通三大流向。
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