The selector then registers file descriptors and interested events into a native pollset structure when the application registers the channel.
当应用程序注册通道时，选择器在本机 pollset 结构中注册文件描述符和感兴趣的事件。
2
The application then registers channels (file descriptors) and interested operations to the selector with a register call on the channel.
然后，应用程序用register调用向选择器注册通道(文件描述符)和感兴趣的操作。
3
This paper goes into the application of the GaAs Dual-Gate FET to the high frequency tuning-amplification and frequency conversion in a TV UHF channelselector and gives some experimental results.