“second”的概念、定义、翻译、参考文献-科学参考

单词	second
释义	second Encyclopedia 工学〔SI基本单位〕释 second秒国际单位制（SI）中的时间单位。符号s。当铯频率ΔνCs，也就是铯-133原子不受干扰的基态超精细跃迁频率，以单位Hz即s-1表示时，将其固定数值取为9192631770来定义秒。 Physics second①秒 ②第二 Mathematics second第二的；其次；秒 Astronomy second秒
随便看	emergency rescue command platform emergency rescue equipment emergency rescue for 11·3 building collapse accident in Hengyang city, Hunan province emergency rescue for 5·12 earthquake accident in Wenchuan county, Sichuan province emergency rescue for 7·23 high-speed railway crash accident in Wenzhou city, Zhejiang province emergency rescue of dangerous chemical accidents emergency rescue preparedness emergency rescues technology emergency rescue system Emergency Rescue Team emergency rescue techniques emergency rescuing based on GNSS emergency resource management standards emergency resources emergency response emergency response action planning emergency response and management system emergency response for drought mitigation Emergency Response Law of the People's Republic of China emergency response of police department Emergency Response Plan for Outbreaks of Schistosomiasis emergency response plan for road transportation emergency response platform emergency response system emergency response system of geological disaster in China

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。