acknowledge packet造句

• Enables selective acknowledgment , which improves performance by selectively acknowledging packets received out of order causing the sender to retransmit only the missing segments ; should be enabled for wide area network communication , but it can increase cpu utilization
  启用有选择的应答（ selective acknowledgment ） ，这可以通过有选择地应答乱序接收到的报文来提高性能（这样可以让发送者只发送丢失的报文段） ； （对于广域网通信来说）这个选项应该启用，但是这会增加对cpu的占用。