生命周期体系架构里程碑为系统的体系架构建立了一个受控的基线，并令项目团队在构构建段进行测量。

The Lifecycle architecture milestone establishes a managed baseline for the architecture of the system and enables the project team to scale during the Construction phase.

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这是因为它们帮助化解了当时更为紧迫的、可能令美国整个银行体系崩溃的信心危机。

That's because they helped end the more pressing crisis of confidence, which was threatening to take down the entire U.S. banking system.

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