题目：National Agricultural Statistics Service & Area Frame Sampling Process 

主讲人：Dr. Zhengwei Yang

主讲人简介：Dr. Zhengwei Yang is IT Specialist in US National Agricultural Statistics Service. He holds a Ph.D. in Electrical Engineering and is the recipient of the 2011 USDA Secretary’s Honor Award for Excellence. Dr. Yang's research interests include remote sensing methods and GIS technology and their application in agriculture.  His work spans conceptual, theoretical and application research as well as system development. 

时间：2013年7月19日 下午16:30

地点：中科院地理所2321报告厅

主持人：王劲峰 研究员