【摘要】 介绍了重要稀有金属的用途和我国稀有金属资源与开发情况,提出了对重要的战略物资和矿产资源保护的具体措施。更多还原

【Abstract】 This paper introduces the usage of important rare metal and the resources and development situation of the rare mental in China,and advances some concrete measures for protecting the important strategic materials and mineral resources.更多还原