Liquefied petroleum gas(LPG)pipelines were embedded deeply underground. It was difficult to test, take sample and monitor operation conditions.

液化气管道深埋在地下，存在检测和取样困难，对其运行状况难以掌握。

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Although it is unlikely to make a significant difference in this application, in others, such additional steps could have added significant time to the operation that you really want to monitor.

这些额外步骤与您真正想监视的操作花费的时间会加在一起，尽管在这个应用程序中不会有显著的差异，但是在其他应用程序中可能差异很大。

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But as mentioned earlier, for probes like these where you want to monitor a specific area of functionality, you should be as close to the real operation that you want to monitor.

但是，正如前面提到的，对于这些用来监视特定功能领域的探测，应该尽可能接近要监视的实际操作。

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Although we run it on a laptop so that we can monitor its operation, the algorithm itself doesn't require a lot of computer power and could easily be run from a chip that has the capabilities of one that's already in insulin pumps or in cell phones."

VOA: standard.2010.04.15

Mrs Miller has said she is reluctant to legislate but ministers have floated the idea of a Royal Charter to monitor the operation of the new press watchdog.

BBC: Leveson report: Hacked Off publishes draft bill

For enthusiasts who like to monitor the operation of their graphics cards, they can now do so through their mobile phone or tablet, even while playing the FPS games, without having to use a separate display.

ENGADGET: MSI's Afterburner Android app makes GPU overclocking as easy as Facebooking

The data collected during a critical operation to monitor hydrocarbon inflow was ignored and nothing was done.

WSJ: The Oil Disaster Is About Human, Not System, Failure