“课征对象”的概念、定义、翻译、参考文献-科学参考

单词	课征对象
释义	课征对象 object of assessment
随便看	pinion frame pinion-gear pinion-gearing pinion-gear shaper pinion grease pinion guide pinion head pinion housing pinion leaf pinion mate pinion quill shaft pinion rack pinion ratio pinion rings pinion shaft pinion shaft outside bearing pinion shimming (用垫片) pinion stand pinion steel pinion stop pinion-type steering gear pinion unit pinion wall pinion wheel pinion wire

科学参考收录了1248194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。