asynchronous procedure

例句：

1. 1. The server is asynchronous, so it doesn't block the user experience.
   服务器是非同步的，因此不会阻塞用户体验。
2. 2.The program is designed to be asynchronous, allowing users to work on multiple tasks simultaneously.
   该程序被设计为异步的，允许用户同时处理多个任务。
3. 3.The data transfer between two servers is asynchronous, which means they can communicate without waiting for each other.
   两个服务器之间的数据传输是异步的，这意味着它们可以无需等待对方即可通信。