Dynamic behaviors of equipment systems make the job of safety analysis very complex and hard.

装备系统的动态行为特征使其安全性分析工作复杂而困难。

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Over-voltage protection is an important research area in electrical, electronic, and many equipment systems.

过电压保护在电子、电工和设备系统中是一个重要的研究领域。

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An active isolation model is established for the flexible base and rigid equipment systems, taking account of the coupling of equipment, isolators and the foundation.

建立了一类柔性基础、刚性设备的复杂系统主动隔振模型，考虑了设备、隔振器、作动器和柔性基础的耦合作用。

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Others carried out energy studies of city school buildings to make sure the equipment and systems work effectively.

VOA: special.2009.09.04

Initially systems were given away. Today,growing numbers of villagers are purchasing and maintaining the equipment.

VOA: standard.2009.12.13

Moreover, we would have equipment and systems that meet the needs of their users instead of what bureaucratic planners, who are not accountable to their customers, conjure up.

FORBES: Fact And Comment

The Leonardo Multi-Purpose Logistics Module, an aluminium canister loaded with almost five tonnes of equipment, systems and science racks for transfer to Destiny, will be attached to the ISS early next week.

BBC: Discovery docks with space station

All of those systems are to be tested for Year 2000 problems before Dec. 31, but the FAA said the additional tests are necessary to ensure that the airports identify and address any unforeseen problems with date-sensitive airfield equipment and systems.

CNN: Airports resist new Y2K tests