It is refer to normalization of data in building of spatial database of soil and water loss assessing.

在水土流失评价数据库的建立研究中，涉及到数据的标准化问题。

youdao

It is refer to normalization of data in building of spatial database of soil and water loss assessing.

在水土流失评价数据库的建立研究中，涉及到数据的标准化问题。

youdao