The safety management system of American pressure pipeline was expatiated on, and the code and standard system of American pressure pipeline and its characteristics were deeply analyzed.

叙述了美国压力管道的安全管理体系，深入分析了美国压力管道的标准法规体系及其特点。

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S. educational system is mainly in English-based, not only quickly improve people's standard of English, but also for people to master fluent American English and lay a solid foundation.

而美国的教育系统次要以英语授课为主，这不只可以疾速提高人们的英语水平，而且为人们掌握一口流利的美式英语打下坚实的根底。

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The Reasonableness Standard gradually formed in long-term judgement practice in Anglo-American law system is worthy for reference.

英美法系国家在长期的审判实践中形成的以“合理性标准”为核心的一系列行之有效的分析规则值得借鉴。

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This step moves us closer to meeting the recent Jobs Council recommendation to enable regulations to be searched by North American Industry Classification System (NAICS) codes, (NAICS is a standard used by Federal agencies in classifying industry).

WHITEHOUSE: Regulations.gov: Remaking Public Participation