“秒”的概念、定义、翻译、参考文献-科学参考

单词	秒
释义	秒 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。 Mathematics arc second秒角的单位 arcsecond = arc second秒角的单位 second第二的；其次；秒 Astronomy second秒
随便看	water inrush coefficient method water inrush in karst tunnel water intake and sediment control Water Intake Hub in Ancient China water-intake regulation water intake right transaction water intake structure Water intake with dam water integration of industrial ecological park water intoxication water intoxication of calves water invasion replacement coefficient water-jacketed centrifugal concentrator water-jet actinometer water jet cutting waterjet deep penetration perforation water jet fragmentation water jet loom water jet strip water jet technology water-jetting process water landing area water-land interaction Water law water law

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。