摘要
Ⅲ.ThoughtsondevelopmentofrareearthindustryDevelopmentofChineserareearthindustrycanbedividedintofourstagesroughly,infantdevelopmentstage(1950s~theendof1980s),stablegrowthstage(1990~1998),fastexpandingstage(since1999)andrationaldevelopmentstage(after2007)withimplementationofadministration
出版日期
2011年04月14日(中国期刊网平台首次上网日期,不代表论文的发表时间)