“patent maintenance fee”的概念、定义、翻译、参考文献-科学参考

单词	patent maintenance fee
释义	patent maintenance fee Encyclopedia 法学专利战略释 patent maintenance fee专利维持费专利权人为了维护其专利权的有效性依法向国家行政部门缴纳的规费。又称专利年费。
随便看	redshift controversy redshift correction redshift cutoff redshift-distance relation redshift distortion redshift effect redshift evolution redshift-magnitude relation redshift parameter redshift space redshift space distortion redshift-space distortions redshift survey Redshift天文馆软件 red shortness Red soil red soil utilization and amelioration Red Sorghum red sports tourism Red Spot Red Spot hollow red spot needle blight red sprite Red Square and Red Palace at Haifeng Red Star Design Award

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。