20世纪是人类进步、社会发展最快的历史时期。在这短短的一百年里,科学家们发明了汽车(工业化生产)、飞机、坦克、人造卫星、计算机、不锈钢、电影、电视、传真、空调、光纤、彩照、心电图、微波炉、电冰箱、杀虫剂……等等,对人们的生活、工作、居住的面貌,有了极大的改观。在20世纪里,影响最大、持续时间最长、参与人数最多的当属绿色革命。从绿色工业到绿色农业,从绿色江河到绿化沙漠, The twentieth century is the historical period of human progress and the fastest social development. In this short span of a hundred years, scientists have invented the technology of manufacturing industrial vehicles, industrial aircraft, tanks, satellites, computers, stainless steel, film, television, fax, air conditioning, optical fiber, Pesticides ... and so on, have greatly changed people’s life, work and living conditions. In the twentieth century, the most influential, the longest duration, the largest number of participants is the green revolution. From green industry to green agriculture, from green rivers to green deserts,