“北美铁路协会”的概念、定义、翻译、参考文献-科学参考

单词	北美铁路协会
释义	北美铁路协会 Encyclopedia 经济学〔交通运输机构〕释 Association of American Railroads; AAR北美铁路协会由美国、加拿大和墨西哥三国铁路企业组建的铁路协会组织，专注于货运铁路行业的安全和生产力。又称北美铁道协会。
随便看	urban economy in Medieval Western Europe urban economy of agglomeration urban eco-security urban ecosystem urban efficiency urban engineering geology urban engineering geophysical exploration urban entrepreneurialism urban environment Urban environmental management urban environmental protection urban environmental quality urban environment economy urban environment problems in China Urban Ethnic Work Regulations urban expansion urban expressway traffic control urban external transport system urban finance urban fire safety layout urban flood control urban flood intersecting ditch urban forest urban forest planning and design urban forestry

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。