摘要
Chinawillstepupitssupervisionontherare-earthsector,asitvowstoimposeseverepenaltiesonthoseillegallymine,produceorexportrare-earthmaterialsandfullyrealizethe"strategicsupport"fromrare-earthmaterials,accordingtoanewguidelinereleasedonSunday.
出版日期
2019年01月11日(中国期刊网平台首次上网日期,不代表论文的发表时间)