This means you can give regular requests a short lifetime, but you can also extend this lifetime to several minutes for a mechanism that responds to long polling requests.

这意味着可以给常规的请求设置很短的生命周期，但是对于响应长轮询请求的机制，也可以将这个生命周期延长至几分钟。

youdao

Since the beginning of the Internet, if you wanted to sync services between two servers the most common solution was to have the client ping the host at regular intervals, which his known as polling.

自从互联网开始起来，如果你想要同步两个服务器之间的服务，最通常的解决方案是让客户端以规律的间隔来ping服务器，这就是人们所知的轮询。

youdao

Polling: Client keeps polling the server at regular intervals.

轮询：客户端定期轮询服务器。

youdao

The election will go on despite New York City Mayor Michael Bloomberg warning that as many as 143, 000 voters will have to find new places to vote other than their regular polling locations.

BBC: Storm Sandy: should voting be postponed on Staten Island?

At one polling station, we found a unit of Iraqi special forces - with noticeably better equipment than regular army soldiers - were in charge of security, searching everyone going in.

BBC: Peace and quiet mark Iraq polls