“national time scale primary standard”的概念、定义、翻译、参考文献-科学参考

单词	national time scale primary standard
释义	national time scale primary standard Encyclopedia 工学时标释 national time scale primary standard原子时标国家计量基准 1983年经国家质量监督检验检疫总局批准，由中国计量科学研究院（NIM）国家时间频率计量中心建立和保持的原子时标UTC（NIM）。是统一全国时间频率量值的最高依据。
随便看	distributed energy resource distributed energy system distributed energy system based on combined cycle distributed expert system distributed feedback laser distributed-feedback laser distributed-feedback laser, DFB laser distributed feedback resonator distributed fiber optic strain meter distributed file system distributed flight control system distributed force distributed foundation wireless medium access control distributed foundation wireless medium access control, DFWMAC distributed fusion distributed geographic spatial big data mining distributed gradient descent method distributed hash table distributed hash table, DHT distributed hydrological model distributed inductance distributed integrated modular avionics system distributed interaction klystron distributed interactive simulation distributed inter-frame space

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。