third-generation相关论文
The breeding and large-scale application of hybrid rice contribute significantly to the food supply worldwide.Currently,......
通用移动通信系统采用3GPP认证与密钥协商协议作为其安全框架，该协议对GSM存在的安全隐患作了有效的改进．对3GPP认证与密钥协商协议......
以江泽民同志为核心的党的第三代中央领导集体的全球化战略观是对邓小平的全球化战略思想的继承和发展,是我国应对二十一世纪全球......
个人通信（ＰＣＳ）在进入２１世纪时将有巨大的进展，随着国际电联第三代（３Ｇ）移动通信系统的标准ＩＭＴ－２０００的制定，人类的美好梦想正逐步成为现实。本文介绍了世界......
During the past thirty years, two generations of low alloy steels(ferrite/pearlite followed by bainite/martensite) have ......
In the history of bridge engineering, demand has always been the primary driving force for development. Driven by the hu......
