国产热热热精品,亚洲视频久久】日韩,三级婷婷在线久久,99人妻精品视频,精品九热人人肉肉在线,AV东京热一区二区,91po在线视频观看,久久激情宗合,青青草黄色手机视频

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.