"We're not sure what kind of response we'll see, but the idea is to develop a two-way flow of information," says Freifield.

“我们还不确定反馈会是怎样的，但我们的想法就是要建立一个双向的信息流动渠道。”弗雷·菲尔德说。

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A smart grid could also provide for the two-way flow of electricity, as well as large-scale integration of intermittent solar and wind energy.

智能电网也可能提供电力的双向流动，同时提供大范围内的间歇太阳能和风能的一体化。

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This paper analyzes the two operation modes of the push-pull full-bridge bi-directional DC /DC converter and conduct a simulation analysis. In theory, the two-way flow of energy is possible.

文中分析了推挽全桥双向DC/DC变换器的两种工作模式，并进行了仿真分析，理论上验证了其实现能量双向流动的可行性。

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The bridge will remain open to two-way traffic flow and there will be no impact on pedestrians or cyclists.

BBC: Weight limits placed on 'deteriorating' Derby bridge

The report depicts an increasingly competitive environment, one in which the flow of information, knowledge, personnel and investment has become a two-way traffic.

UNESCO: MEDIA SERVICES