Professional technicians advice: your watch must replace the battery after careful testing, the best maintenance watch, so as to avoid other effects on the watch.

专业技师建议：您的手表更换电池后一定要仔细检测，最好保养一下手表，以免对手表造成其它影响。

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Through careful planning and clear communication, you can achieve such testing, although it will probably be done after hours.

通过仔细的规划和清楚的交流，您可以实现这样的测试，尽管该测试可能要在数小时以后才能完成。

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Schuchat urged the public not to be alarmed if expiration dates for some of the liquid Tamiflu have passed, because the Food and Drug Administration extended them "after careful testing" to ensure they are safe and effective.

CNN: H1N1 vaccine on schedule, official says

The company insists that after careful taste testing, no one will be able to tell the difference and it will taste exactly the same, but given some of the super tasters I have met through my work in the wine and spirits world, I find it virtually impossible that such a change in alcohol content can go unnoticed, especially with no additives to compensate.

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