These instruments measure tilts int the ground's surface, as well as changes in the magnetic field near active faults . Usually these changes precede the occurrence of some earthquakes.

他们还用各种各样的仪器和方法，通过测量地震前发生的地球物理上的变化，如地表倾斜度和 活性断层附近的磁场变化，对地震进行预测。

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Conclusion: the nursing staff should aim at the non-plan cupping the dangerous factor to take the effective preventive measure and the health education, reduces the non-plan cupping the occurrence.

结论：护理人员应针对非计划拔管的危险因素采取有效的预防措施和健康教育，降低非计划拔管的发生。

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The driving maintenance is before the equipment wears takes the measure to its root question, controls the occurrence which effectively wears and expires, thus lengthens the repair cycle large scale.

主动维护是在设备磨损之前对其根源问题采取的措施，有效地控制磨损及失效的发生，从而大幅度地延长修理周期。

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As with insurance products found anywhere in the world, insurance policies in China provide an element of a safety net, offering a measure of downside protection upon the occurrence of certain events.

FORBES: Life Insurance In China