“AAR”的概念、定义、翻译、参考文献-科学参考

单词	AAR
释义	AAR 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	system of Pfaffian equations system of points system of polar coordinates system of polynomial equations system of polynomials System of Positive Polity system of powers system of production and construction corps system of psychology system of quadratic equations system of quantities system of quasigroups system of quasi-linear hyrerbolic equations system of quasi-linear parabolic equations system of quasi-periods system of rays system of rectangular coordinates system of reference system of releasing environmental state report system of representatives system of residues system of resultants system of river conservancy administrations in ancient China system of roots system of rural five-guarantee household

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。