In this example, the periodic basis is just a timer that goes off at a regular, configurable, interval.

在这个示例中，周期基础只是一个计时器，该计时器按照规律的、配置好的间隔到期。

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Choosing an interval is largely a trade-off between presenting too much information with a high number of intervals, or showing too little change between the intervals when a low number is selected.

选择间隔实际上是一种权衡：是使用较高的间隔值来呈现大量信息，还是使用较低的间隔值来显示非常少量的更改。

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It was only 45 minutes because a heavy knock forced him off at the interval, which was ironic because he seemed to have revelled in the physical fight.

在45分钟后，他由于一次重伤而在中场的时候被迫离场。令人感到搞笑的是，他似乎从来就乐于进行身体对抗。

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But Van Barneveld became distracted in the fourth set - the last before the interval - and Fordham stepped in to reel off three straight legs.

BBC: SPORT | Other Sport | World Darts 2004 | Fordham stuns Barneveld

But Ashton will be a little concerned by how his charges went off the boil after the half-time interval.

BBC: SPORT | Rugby Union | English | Bath 31-16 Bristol

Keatley was successful with his second penalty attempt but USA fly-half Mike Hercus was off-target with three straightforward penalty efforts before the interval.

BBC: USA 10-27 Ireland