请输入您要查询的字词:
单词
national measurement primary standard
释义
national measurement primary standard
Encyclopedia
工学
国家测量基准
释
national measurement primary standard
国家测量基准
为了定义、实现、保存或复现量的单位或一个或多个量值,用作参考的实物量具、测量仪器、标准物质或测量系统。又称国家计量基准或国家基准。
随便看
Virtues and Vices and Other Essays in Moral Philosophy
virtuous star
virucide
virulence
virulent phage
virulent strain
Virunga National Park
virus
virus analysis
virus attack
virus-based pesticide
virus budding
virus diseases of marine crustaceans
viruses of plants
virus-free nursery tree
virus-free plants
virus-free seedling
virus hepatitis examination
virus host
virus-induced gene silencing vector,VIGS
virus induction
virus infection technology
virus infectious diseases
virus like particle,VLP
virus-mediated transformation
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。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/9/9 3:42:30