Temporal hours, which were first adopted by the Greeks and then the Romans, who disseminated them through Europe, remained in use for more than 2,500 years.

计时法最初由希腊人采用，后来由罗马人在欧洲传播，至今已使用了2500多年。

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Some of these techniques have been in use for years.

有些技巧已经应用了多年。

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Programs to process the data have been in use for several years.

处理资料的程序已经应用了好几年。

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In China,some farmers and researchers blame a decrease in pesticide use for an increase in pests unaffected by Bt.

VOA: special.2009.10.27

In fact, this example would compile because you can use curly braces in this way to encapsulate lines of code, but realize for now, that, not good.

实际上，这个例子可以编译,因为你可以用这种方式来压缩代码行,但是请认识到，那个，不太好。

哈佛公开课 - 计算机科学课程节选

So I think you will find it useful to use this phrase for expressing yourself in many conversations.

你会发现，在许多对话中，这个句型能恰当地帮你表达自己的意思。

That's all课堂 - SpeakingMax英语口语达人

Satellites have already been in use for several years, and drones are currently undergoing trials.

BBC: Spying on Europe��s farms with satellites and drones

Somerset County Council's Patrick Flaherty hoped the bridge would be in use for "the next 150 years".

BBC: Taunton's new bridge is put into place with huge crane

Merzenich, whose brain has been in use for 63 years, has wisely put his research work on sale.

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