asynchronous sending mode

例句：

1. 1. The server is asynchronous, so it doesn't need to be restarted every time the system reboots.
   服务器是非同步的，所以系统每次重启时不需要重新启动。
2. 2. The process is asynchronous, meaning that it can continue even when other processes are not running.
   该过程是非同步的，意味着即使在其他进程未运行时也可以继续进行。
3. 3. The data transfer between two computers is asynchronous, which means that the data is sent in chunks and receivedin chunks.
   两台计算机之间的数据传输是非同步的，这意味着数据以块的形式发送和接收。