“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	planetary boundary layer parameterization planetary capture planetary companion planetary configuration planetary construction zone planetary continuously variable transmission planetary coordinate system planetary corona planetary cosmogony planetary data system，PDS planetary dynamo planetary embryo planetary ephemeris planetary evolution planetary exploration planetary gear drive planetary geodesy planetary geology planetary interior or planetary internal structure planetary/interplanetary probe planetary ionosphere planetary magnetic field planetary magnetosphere planetary-mass companion planetary-mass object

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。