处方已经单向流动的太久了。
二极管是一种只允许电流单向流动的元件。
A diode is a device which only allows current to flow in one direction.
一种铰接的阀,只容许流体单向流动,关闭时发出卡嗒声。
A hinged valve that permits fluids to flow in only one direction and clacks when the valve closes.
It tends to be a one-way flow of communication From the faculty to the students. It highly confined Students have limited opportunities to ask questions.
那是从教授到学生,单向的信息流动,这种模式限制了学生提问的机会。
The flow of information is really a flow of electrical potential and it goes in one direction only.
信息流实际上就是电势差的流动,并且流动是单向性的
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