如果没有升级和新的技能力，桥梁、道路和电力系统就无法应对不断增长的人口数量。

Without upgrades and new capacity, bridges, roads and power systems are unable to cope with expanding populations.

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为确保新的或者升级的系统支持这个需求，软件开发组必须采用他们自己的严格的方法在整个系统开发过程中来追踪商业需求。

To ensure that new or upgraded systems support this need, software development teams must adopt their own rigorous methods for tracing business requirements throughout the system development process.

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在白沙导弹试验场，洛克西德马丁公司对陆军战术导弹系统(ATACMS)新升级的导航和控制系统进行了一次成功的测试。

Lockheed Martin successfully conducted a test of the new upgraded guidance and control system for the Army Tactical Missile system (ATACMS) at White Sands Missile Range.

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