Most requirements management tools maintain a history of each requirement, but they do not do versioning.

许多需求管理工具为每一个需求都保持了历史记录，但是并不能实现版本化。

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Although not a definitive requirement for an AOA implementation, an organization should consider using a process authoring tool to maintain descriptions of its existing implementation processes.

尽管对于一个面向方面的处理方法(AOA)的实现来说没有确定的要求，但是公司应当考虑使用一种过程创作工具来保持其现已存在的实现过程的描述。

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The Report from Iron Mountain, among other documents in the public domain, references the organized and orchestrated requirement for war in order to maintain macro-scale economic and social stability.

相对公共领域的其他纪录片，《来自铁山的报告》提到了为了保持大规模的经济和社会稳定，需要组织和策划战争。

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In a 2006 ruling the board cited potential impacts on hospitals, schools and jails, and opted to maintain the genital surgery requirement.

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But they warn that its application is being hampered by the military requirement to maintain the secrecy of raw, precise, positional information.

ECONOMIST: Earthquakes in India

Further, I maintain that the insurance requirement has nothing to do with taxation until we note that its dollar-amount will soon appear on a W2, and that businesses will receive tax credits for their efforts.

FORBES: Guest Post: Healthcare Act: Harm or Benefit?