“专利维持费”的概念、定义、翻译、参考文献-科学参考

单词	专利维持费
释义	专利维持费 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	X-ray structure analysis Xray structure analysis X-ray sun X-ray survey X-ray telescope X-ray thickness gauge X-ray topography X-ray transform X-ray transient X-ray transmission imaging inspection device for scanning luggage and package X-ray transparent functional composites X-ray treatment devices X ray tube X-ray waveguide X-ray zone plate XRB XRD XRF XRF calcium and ferrum analyzers x Rs control chart x-Rs control chart XSD X shape state X-shape state XSL

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。