With large-scale engineering projects being carried out in China, a large number of fossil localities have been discovered and excavated by responsible agencies, but still some important fossils of great value have be...With large-scale engineering projects being carried out in China, a large number of fossil localities have been discovered and excavated by responsible agencies, but still some important fossils of great value have been removed and smuggled into foreign countries. In the last three years, more than 1345 fossil specimens have been intercepted by Customs in Shenzhen, Shanghai, Tianjin, Beijing and elsewhere, and more than 5000 fossils, most of which are listed as key fossils,展开更多
IN July 1993, instead of going on vacation, nearly 200 students from the Beijing No.25 Middle School attended a special class just for them. The three-day session made the girls eager for more knowledge. When the sess...IN July 1993, instead of going on vacation, nearly 200 students from the Beijing No.25 Middle School attended a special class just for them. The three-day session made the girls eager for more knowledge. When the session ended, the students who had been to this classroom told their companions that they had been to a wonderful world.展开更多
Tsinghua Science and Technology was started publication in 1996. It is an international academic journal sponsored by Tsinghua University and is published bimonthly. This journal aims at presenting the up-to-date scie...Tsinghua Science and Technology was started publication in 1996. It is an international academic journal sponsored by Tsinghua University and is published bimonthly. This journal aims at presenting the up-to-date scientific achievements in computer science, electronic engineering, abstracting indexes. From 2012, the journal enters into IEEE are freely downloadable. and other IT fields. It is indexed by EI and other Xplore Digital Library and all papers published there展开更多
文摘With large-scale engineering projects being carried out in China, a large number of fossil localities have been discovered and excavated by responsible agencies, but still some important fossils of great value have been removed and smuggled into foreign countries. In the last three years, more than 1345 fossil specimens have been intercepted by Customs in Shenzhen, Shanghai, Tianjin, Beijing and elsewhere, and more than 5000 fossils, most of which are listed as key fossils,
文摘IN July 1993, instead of going on vacation, nearly 200 students from the Beijing No.25 Middle School attended a special class just for them. The three-day session made the girls eager for more knowledge. When the session ended, the students who had been to this classroom told their companions that they had been to a wonderful world.
文摘Tsinghua Science and Technology was started publication in 1996. It is an international academic journal sponsored by Tsinghua University and is published bimonthly. This journal aims at presenting the up-to-date scientific achievements in computer science, electronic engineering, abstracting indexes. From 2012, the journal enters into IEEE are freely downloadable. and other IT fields. It is indexed by EI and other Xplore Digital Library and all papers published there
