“active system”的概念、定义、翻译、参考文献-科学参考

单词	active system
释义	active system [`ak·tiv `sis·tǝm] ^ENGINEERING In radio and radar, a system that requires transmitting equipment, such as a beacon or transponder.
随便看	cable-tool drilling cable tools cable trough cable twist cable vault cableway cableway carriage cabochon caboose Cabot's ring CABRA numbers cabretta cab signal cacao cacao butter Caccioppoli-Banach principle cache cachexia cacimbo cacodyl cacodylate cacodylic acid cacomistle caconym cacotheline

科学参考收录了103327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。