综合一区欧美国产,99国产麻豆免费精品,九九精品黄色录像,亚洲激情青青草,久久亚洲熟妇熟,中文字幕av在线播放,国产一区二区卡,九九久久国产精品,久久精品视频免费

On July 6, DRC President Zhang Yutai met with Prof. Jeffrey D. Sachs, Director of the Earth Institute at Columbia University. Prof. Sachs introduced his research proposals to the relevant Chinese organizations. Both sides exchanges views on the possible joint research on strategic issues in the next few decades concerning population, resources, environment, etc. in China and around the world. Those present at the meeting included Dr. Feng Fei, Director General of DRC’s Research Department of Industrial Economy, Dr. Long Guoqiang, Deputy Director General of Department of Foreign Economic Relations, Dr. Wei Jianing, Deputy Director General of Department of Macroeconomic Research, Mr. Lan Weiban, Deputy Director General of DRC’s International Cooperation Department.