Using ultraviolet ray to do fluorescent light analysis and apraisal is now widely applied.

利用紫外光对物质进行荧光分析检定，目前已得到广泛应用。

youdao

Using ultraviolet ray to do fluorescent light analysis and apraisal is now widely applied.

利用紫外光对物质进行荧光分析检定，目前已得到广泛应用。

youdao