“combined drill”的概念、定义、翻译、参考文献-科学参考

单词	combined drill
释义	combined drill Encyclopedia 农学联合播种机释 combined drill联合播种机在播种同时进行整地、筑埂、平畦、播种、施肥、喷药等多项作业或将其中的某几项联合起来同时进行作业的机具。
随便看	timelike curve time like direction time-like direction timelike event time-like form factor timelike hyperplane timelike hypersurface timelike infinity timelike interval timelike line timelike linear element timelike path timelike region timelike separation timelike space timelike space-time interval timelike surface timelike surface element timelike vector time-limited Time-limited express delivery time-limited grazing Timeliness timely harvest time management

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。