一般来说，在仪器开始运行时，进行进样精密度实验，计算其相对标准偏差。

The RSD is normally performed at the beginning of the run.

youdao

方法简单，快速，精密度好，回收率为98.8% ，相对标准偏差为1.79%。

The average recovery is 98.8% and RSD is 1.79%.

youdao

方法简单，快速，精密度好，回收率为98.8% ，相对标准偏差为1.79%。

The average recovery is 98.8% and RSD is 1.79%.

youdao