Polling Technique(轮询技术), 此释义来源于网络辞典。
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remote polling technique 远程轮询技术
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Long polling is a polling technique in which the server will delay completing the HTTP response until either an update is ready for the client or a timeout occurs.
长轮询是一种轮询技术，其中服务器延迟完成HTTP请求，直至已经为客户机准备好了一个更新信息或发生超时。
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All the polling firms selected their samples using a technique known as quota sampling.
ECONOMIST: Why the polls got it wrong last time
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