Friendship is a two-way process.

友谊是一种相互的关系。

《牛津词典》

This is the process of a two-way choice.

这是一个双向选择的过程。

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Pipe, Fork, and Exec - Two Way Communication Between Parent and Child Process.

管，叉，和执行-双向亲子之间的沟通过程。

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Pipe, Fork, and Exec - Two Way Communication Between Parent and Child Process.

管，叉，和执行-双向亲子之间的沟通过程。

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