Each asynchronous channel class defines duplicate API methods for each operation so that either mechanism can be used.

每个异步通道类为每个操作定义API副本，这样可采用任一机制。

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Each asynchronous channel class defines duplicate API methods for each operation so that either mechanism can be used.

每个异步通道类为每个操作定义API副本，这样可采用任一机制。

youdao