Supported by National 863 High Technology projects(2003AA312100);National 973 Basic Research Projects(2003CB314906);National Natural Science Foundation Key Projects(60137010);Tianiin Natural Science Foundation Projects(033800211)
Supported by National 863 High Technology Projects(2003AA312100);the National 973 BasicResearch Projects(2003 CB314906);the National Natural Science Foundation Key Projects(60137010);the Tianjin Natural Science Foundation projects(033800211)