Thus this implements a long poll.

这样就实现了长轮询。

youdao

Long poll is another approach that is used to update server data.

长轮询是用于更新服务器数据的另外一种方法。

youdao

Long poll is another approach that is used to update server data.

长轮询是用于更新服务器数据的另外一种方法。

youdao