Long Polling: Also known as Asynchronous Polling, this method is a hybrid of pure server push and client pull.

长时间轮询：也就是所谓的异步轮询，这种方式是纯服务器端推送方式和客户端拉取方式的混合。

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So there are several ways to take an XML response from a server, and, with fairly standard code, pull the data out and use it in a client.

因此，有几种方法可从服务器获得 XML 响应，并使用较为标准的代码提取数据，在客户机中使用这些数据。

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Our client airlines have invested heavily in our kiosk hardware and infrastructure. They won't just pull the plug.

我们的客户航空公司已经为我们的登记站硬件和基础设施投了大笔钱，他们不会现在撤出。

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The biggest addition is pull-to-refresh, which the iPhone client has had for a while, as an option bar that's revealed by swiping on a tweet.

ENGADGET: Twitter for Android updated, adds speed, polish, more options