An alternative to this technique is long polling, which can avoid both these problems.

该技术的另一种方案就是长轮询，可以避免这两个问题。

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Another common technique is long polling.

另一个常见的技巧是长轮询。

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They use one of two strategies: streaming and long polling.

它们使用两种策略其中之一：流线化 和长期轮询。

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Andy Kohut, who directs the Pew Center for the People and the Press, has looked at long-term polling and finds that sentiment has been slowly growing for a change of direction.

NPR: Conservatively Speaking, Things Look Bad

And recent polling data indicate that once a long-shot candidate, Pollak is steadily closing in on Schakowsky's lead.

CENTERFORSECURITYPOLICY: Republicans, Democrats & Israel

As many of us keep saying, if we were able to set up out-of-nation polling places for Iraqis in the United States to vote in the first democratic elections in Iraq, we could go a long way, including setting up out-of-state polling places, which the court has refused to order and the state has refused to do, to promote democracy here at home.

NPR: Thousands of New Orleans Voters Can't Get to Polls