“石英晶体频标”的概念、定义、翻译、参考文献-科学参考

单词	石英晶体频标
释义	石英晶体频标 Encyclopedia 工学频率标准释 quartz crystal frequency standard石英晶体频标利用石英晶体的压电特性、高Q特性及稳定的物理化学性能，与振荡电路一起组成高稳定的石英晶体振荡器，从而输出较高准确度和稳定度的特定频率信号的频率标准。又称石英晶振频标（简称晶振频标）、石英晶体振荡器（简称晶振）。通常指日老化率在10-10量级或优于此量级，在计量或其他系统作为标准使用的晶振。
随便看	ecological environmental geological survey Ecological environmental monitoring network ecological environmental quality monitoring points ecological environmental supervision ecological environment assessment ecological environment damage liability system ecological environment disasters in China ecological environment of artificial reefs area ecological environment of the Arts ecological equilibrium ecological ethic ecological ethics ecological ethnic migration ecological facilitation ecological factor ecological fallacy ecological famine ecological field ecological filter ecological finance ecological floated bed ecological floating island ecological flow for rivers and lakes ecological flow of watershed ecological flows

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。