“crossover subs”的概念、定义、翻译、参考文献-科学参考

单词	crossover subs
释义	crossover subs Encyclopedia 工学接头释 crossover subs接头用以连接不同尺寸、不同螺纹类型钻杆的连接部件。又称转换接头、配合接头。
随便看	smart city data link smart city data perception smart city data resource directory system smart city data resources smart city data resource storage smart city data resource system smart city data storage strategy smart city data transmission smart city data transmission layer smart city data vitalization smart city ecological management service platform smart city emergency defense service platform Smart City Expo World Congress smart city government management database smart city information security infrastructure smart city infrastructure construction smart city intelligent interactive platform smart city management smart city master data management smart city multi-source dense data smart city network data acquisition smart city perception layer smart city public security service platform smart city sharing service platform smart city specific resource database

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。