作者:yang Li,Zhang Wencan,guo yongmei
摘要:Rare earth and electronic information industry Electronic information industry features in high technique content,high return on investment,high added-value.Electronic materials and components are important parts of the electronic information manufacturing industry.They are at the front end of the electronic information industry chain to support the information processing system of modern communication,information network technology.
发文机构:不详
关键词:INVESTMENTRETURNEARTH
分类号: F42[经济管理—产业经济]