然后，通过实例的考查，间接地估算了样本总体的相对标准差。

Then the relative standard difference is estimated indirectly from the research of the examples.

youdao

然后，通过实例的考查，间接地估算了样本总体的相对标准差。

Then the relative standard difference is estimated indirectly from the research of the examples.

youdao