The salinity of lake water is a sensitive monitor of climate in arid and semiarid region.

在干旱半干旱地区，封闭湖泊的湖水盐度对气候变化反应敏感。

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Companies use this kind of software, for example, to monitor employees who are about to leave, whether through redundancy or choice, to make sure they do not take sensitive information with them.

公司可以用这种软件来监视即将离职的员工，以保证他们不带走公司的敏感信息。无论该员工是出于自愿还是被裁。

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These tracer indicators are more sensitive and timely, designed to monitor almost real-time changes in coverage.

这些追踪性指标更加敏感和及时，旨在监测覆盖率方面的实时变化。

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But the Christian Science Monitor calls it a sensitive and humane piece of work.

NPR: Summary Judgment: 'Fast Food Nation', 'Casino Royale'

Infrared cameras and other technology monitor for unauthorized activity in sensitive areas of the structure, including doors to equipment chambers.

CNN: Is this the 'safest bridge in America?'

We continue to closely monitor Syria's proliferation of sensitive materials and facilities, and have been consistent and clear about our red lines regarding chemical weapons in Syria.

WHITEHOUSE: Press Briefing