这两种方法精确度都比较高，但其样品预处理过程复杂，消耗时间长，而且存在着严重的同质异位素干扰问题。

But the two methods are complex for sample pre-preparation, long time-consuming and have serious isobaric interference.

youdao

这两种方法精确度都比较高，但其样品预处理过程复杂，消耗时间长，而且存在着严重的同质异位素干扰问题。

But the two methods are complex for sample pre-preparation, long time-consuming and have serious isobaric interference.

youdao