数据结构必须在严格的变更控制下，以便于可以适当地管理各种业务和系统牵连的变更。

Data structures must be under strict change control, so that the various business and system implications of any change can be properly managed.

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专家在被称为监测控制和数据采集(SCADA)的管理工业工厂的系统的脆弱性上意见不一。

Experts disagree about the vulnerability of systems that run industrial plants, known as supervisory control and data acquisition (SCADA).

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整个灌溉系统的所有组分都有微型控制器，通过它将运行中的状态数据传输到控制它们的能源管理系统中。

All of the irrigation system components have micro-controllers that transmit their status data to the energy management system that controls them.

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