During tests over several days, the pointer or tracker tracked an IR source and directed a laser beam at that source.

在几天的测试中，指示器或跟踪器跟踪一个红外光源，并引导激光束击中目标。

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They aim to stop an event at source, before it has a chance to become an international threat.

《条例》的目的是在有机会成为国际威胁之前，从根源制止事件的发生。

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Instead of being bottled at source, some wine is now imported in 24,000-litre containers and then bottled in Britain.

葡萄酒在制造方没有装瓶，而是用24,000升的大罐进口到英国，然后在本地进行装瓶。

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A source of anger for many lawmakers at the hearing was a U.S.government contract for a so-called "virtual fence" monitoring system along the nearly 3200-kilometer U.S.-Mexico border.

VOA: standard.2010.04.21

But thankfully now in 2010, we're at the point where there's a whole lot of free and open source software that you can integrate into your projects that other nice people have made available.

不过幸好在2010年,现在有很多可用的开源,代码软件，你可以将其融合,到你的工程中。

哈佛公开课 - 计算机科学课程节选

And source critics looking at this material discern numerous, diverse sources that are interwoven throughout.

一些材料批评学家认为这个故事，是由很多素材交织在一起的而成的。

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However, this form of energy requires expensive plants to turn the gas into liquid at source.

ECONOMIST: Drilling on Wall Street | The

The emphasis, so far, has been on trying to reduce the possibility that boxes will be hijacked at source.

ECONOMIST: In peril on the sea | The

This is essentially the self-employed or those with incomes from multiple sources (some of which may well have been taxed at source).

FORBES: The Laffer Curve Appears in the UK