“time and frequency measurement instruments”的概念、定义、翻译、参考文献-科学参考

单词	time and frequency measurement instruments
释义	time and frequency measurement instruments Encyclopedia 工学时间与频率测量仪释 time and frequency measurement instruments时间与频率测量仪用于测量时间间隔和频率参数的仪器。
随便看	graphosphere grapho-vocal method graph paper graph parameter graph periphery graphplan graph planning graph power graph product graph property test graph radius graph rank graph reconstruction graph reduction machine graph representation graph scheme graph section graph spectrum graph square graph standard graph state graph stream algorithm graph strong product graph sum graph theorem

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。