“safety certification”的概念、定义、翻译、参考文献-科学参考

单词	safety certification
释义	safety certification Encyclopedia 工学安全认证释 safety certification安全认证由可以充分信任的第三方证实某一经鉴定的产品或服务符合国际通用安全标准或规范性文件的活动。
随便看	principal plane pattern principal planet principal point principal point of photograph principal polarization principal polynomial principal projection property principal punishment principal quantum number principal quintic form principal radius of curvature principal ray principal reduced form principal refractive index principal remainder principal representative principal right ideal principal right ideal ring principal ring principal role performance, additional role performance and double role performance of one character principal root principal root of unity principal scale principals' cultural leadership principals' curriculum leadership

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。