农业工程事业的发展对美国整个国民经济的进步起了关键性的作用,因此美国农业工程师学会以“改变了美国的七个十年”为题,请 Robert E.Stewart根据学会的大量文献资料,写了学会成立以来七十年的历史。全书四百多页包括了学会活动的各个方面。本文仅就其中技术的发展方面,择要译出,供参考。 The development of agricultural engineering has played a key role in the progress of the entire U.S. economy. Therefore, the American Society of Agricultural Engineers asked Robert E. Stewart to “change the seven decades of the United States,” based on a large body of literature Information, wrote the history of the Association for more than seventy years since its establishment. The book more than 400 pages include all aspects of learning activities. This article only on the technical aspects of development, the choice of translation, for reference.