Today, 33 years ago, on May 5, 1992 (April 3, 1992) nine experts were elected members of the World Academy of Productivity Sciences. On May 5, 1992, following the election of our renowned professor Zhou Poutou and Liu Jiang as academicians, nine other experts were elected members of the World Academy of Productivity Sciences. The World Academy of Productivity Sciences is a renowned international organization represented by more than 70 national and regional experts from the Ministry of Agriculture, the counselor of the Ministry of Agriculture, the professor of economics and economics Yang Xiang, the professor of environmental biology and ecology at the University of Beijing, the professor of biology at the University of Beijing, the director of biology at the University of Beijing, the researcher at the Chinese Academy of Agricultural Sciences, the editor of