一个半双工的连接同一时刻仅能在一个方向传输数据。

A halfduplex connection can only send data in one direction at a time.

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创建初始连接后，两个方向的数据传输开销都非常小。

After the initial connection is created, there is very small overhead to transmit data either way.

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收集两个不同方向的数据，或许能更精确地定位真正起作用的基因，并为一个用于更深层次研究的文献库奠定基础。

Coming at the data from two different directions could better pinpoint the genes that are truly in play and lead to a reasonable library of targets for deeper research.

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