“frequency and time standard”的概念、定义、翻译、参考文献-科学参考

单词	frequency and time standard
释义	frequency and time standard 频率及计时间标准
随便看	heavy firepower school (坦克设计方面的) heavy (fission) fragments heavy fixed hand hack saw frame heavy flannelette checked heavy flow heavy flower-wasp heavy fluid heavy-fluid washer heavy fog heavy foliage heavy force fit heavy fowl heavy frame heavy Freon heavy frost heavy fuel heavy fuel booster pump heavy fuel burning engine heavy-fuel engine heavy fuel equipment heavy fuel feeding pump heavy fuel oil clarifier heavy fuel oil purifier heavy fuel powerplant heavy fuel rotating combustion engine

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。