Named for the Chinese Academy of Sciences (zhong guo ke xue yuan) on the occasion of its 50th anniversary. Founded on 1949 Nov. 1, it is China’s most prestigious academic institution and comprehensive research and development center in science and technology. Over the past half century, the Chinese Academy of Sciences has made tremendous contributions to science and technology in China, to the country’s economic construction and development and to human civilization and progress. (M 33789) _ _.