是否所有的设备和计量器有2 - 5微米的地域和气候的精确度误差？

All fixtures and gages are built to 2-5 micron accuracy in climate controlled shops?

youdao

原子在两个能量等级之间震荡，所以钟的精确度为运行37亿年后误差不超过正负一秒。

The atom vibrates between two energy levels allowing the clocks accuracy down to a second in 3.7 billion years.

youdao

它是在对多步法误差分离技术测量精确度进行理论分析和实验验证的研究基础上提出的。

It is suggested based on research to the accuracy of multistep er - ror separation technique by theoretical analysis and practical experiment.

youdao