The selector internally calls a native poll() function (shown in Listing 5), which provides a mechanism for multiplexing inputs and outputs over a set of file descriptors

选择器在内部调用一个本机poll()函数（见清单5），这个函数支持在一组文件描述符上多路复用输入和输出

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There also is a SOFT or HARD selector for either an "over easy" compression resulting in a very natural, uncompressed sound or a typical sharp knee type that has a much more severe limiting effect.

此外，还有一个软或硬的选择不论是在“过度容易”压缩在一个非常自然的，压缩的声音或一个典型的类型，尖锐的膝盖有更严厉的限制效应。

youdao

There also is a SOFT or HARD selector for either an "over easy" compression resulting in a very natural, uncompressed sound or a typical sharp knee type that has a much more severe limiting effect.

此外，还有一个软或硬的选择不论是在“过度容易”压缩在一个非常自然的，压缩的声音或一个典型的类型，尖锐的膝盖有更严厉的限制效应。

youdao