Terrorists or agents of hostile powers could mount attacks on companies and systems that control vital parts of an economy, including power stations, electrical grids, and communications networks.

恐怖分子或敌对势力的特工可以对企业和系统发动袭击，这些企业和系统控制着一个经济体的重要部分，包括发电站、电网和通信网络。

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The reason we construct models and systems is to get a better understanding of certain aspects and parts of the universe around us or within us.

我们创建模型和系统的原因是为了更好地理解我们周围或者我们内部世界的某些方面或者局部。

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As the systems evolve, there is the need for different forms of test harnesses, including the ability to mock or stub out parts that are not yet ready for prime time.

随着系统的演化，需要不同形式的测试工具，包括要能模仿或去除在黄金时间尚未准备好的部分。

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The Department of Defense envisions customizing parts on site for operational systems that would otherwise be expensive to make or ship.

WHITEHOUSE: The White House

Many times outages are not restored, sometimes for weeks, because the location of a broken power line is not known immediately or a massive overhaul on systems is needed and parts may be on the other side of the world.

FORBES: The Industrial Internet: Even Bigger Than Big Data

U.S. government systems, particularly sensitive systems, should not include Huawei or ZTE equipment, including in component parts.

FORBES: Congress, Espionage And Chinese Chips