Critical applications require more stringent methods for communicating dependency for how a single requirement links to and connects each artifact.

关键的应用软件对于一个单一的需求如何连接到每个工件的通信相关性要求有更严格的方法。

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This is not a requirement unique to migration projects, since all projects that introduce new development tools require time for training.

这不仅仅是移植项目特有的需求，而是所有引入新开发工具的项目都要求的。

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Traces to tests affected by that requirement should be made suspect, so that the testers are informed automatically that the test cases may also require changes.

对受此需求影响的测试的跟踪应当被认为是可疑的，这样测试人员会自动地得到通知，测试用例可能也需要进行变更。

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Jiang also accused developed nations of abandoning the principle reached in earlier accords, which require them to cut greenhouse gas emissions, but do not make the same requirement of developing countries.

VOA: standard.2009.12.16

The Affordable Care Act, through the individual responsibility requirement, will require everyone, if they can afford it, to carry some form of health insurance since everyone at some point in time participates in the health care system, and incur costs that must be paid for.

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Even before NHTSA officials began talking about formal guidelines, car makers had adopted their own standards for designing safe infotainment systems, including a requirement that no task should require a driver to look away from the road for more than 15 seconds.

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There doesn't appear to be an identification requirement, although the card does require one to memorize a personal identification number.

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