“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	production rate of local entropy density production reactor production riser production rule Production safety accident emergency rescue system production safety accident investigation and listing supervision system production safety accident reporting and investigation of treatment system production safety and health administrative litigation production safety and health legal system production safety technology of petroleum logging production scheduling production scheduling and sequencing production scheduling of mineral processing plant production scheduling problem production semi submersible production service enterprise resource planning production simulation for electrical generating system production site video monitoring system production smoothing production specialization production station production strength production submission production suitability zoning of Chinese materia medica production system

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。