“secondary precious metals”的概念、定义、翻译、参考文献-科学参考

单词	secondary precious metals
释义	secondary precious metals Encyclopedia 工学[再生金属]释 secondary precious metals再生贵金属从贵金属二次资源中回收得到的贵金属。
随便看	public security intelligence management public security intelligence product public security intelligence requirement public security intelligence safety public security intelligence service public security intelligence staff public security intelligence system public security intelligence users public security intelligence work public security internet of things application demonstration project public security mobile command public security mobile command system public security organs' system of invited supervisors public security prevention technology public security problems public security remote sensing technology Public Security Science public security science and technology public security services public security system public security tacit knowledge application technology public security tactical command public security technology public security technology education public security technology laws and regulations

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。