“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	Dark Matter Particle Explorer satellite dark matter search dark matter star dark mottle dark mudstone dark nebula dark nebula radio emission dark needleleaf forest darkness darkness adaptation design applications Darkness historical narrative Darkness in Saint Louis: Bearheart dark noise Dark Ocean Society dark of the moon dark-orange heat dark outline dark period dark photon dark reaction dark repair dark respiration dark room darkroom dark-room filter

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。