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。
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。
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。
Companies were all assigned a numerical Standard Industrial Classification (SIC) code (now North American industry Classification System, or NAICS) identifying which industry sector they fit in to.
每个企业都会有一个标准产业代码(SIC)(现为北美产业分类系统，简称NAICS)，用来确定各自属于哪个产业部门。
Companies were all assigned a numerical Standard Industrial Classification (SIC) code (now North American industry Classification System, or NAICS) identifying which industry sector they fit in to.
每个企业都会有一个标准产业代码(SIC)(现为北美产业分类系统，简称NAICS)，用来确定各自属于哪个产业部门。
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