论文部分内容阅读
本文提出了狭义稀土标准和广义稀土标准的概念,分析了我国稀土标准现状,提出了急需制定的稀土标准。
In this paper, the concept of narrow rare earth standard and generalized rare earth standard is put forward. The status quo of rare earth standard in our country is analyzed, and the rare earth standard to be drafted is put forward.