钱学森关于论第六次产业革命的四封信一田纪云副总理：这次是我第三次写信向您报告我对发展我国社会主义新的大农业的想法。我感到问题重要，所以要向您报告。（一）我们正面临着一场新的产业革命、２１世纪初的产业革命。产业革命是生产技术引起的生产力大发展，从而引起... Qian Xuesen’s Four Letters on the Sixth Industrial Revolution One Vice Premier Tian Jiyun: This is my third written letter to you about my thoughts on developing a new large-scale socialist agriculture in our country. I feel the problem is important, so I will report to you. (A) We are facing a new industrial revolution, the industrial revolution in the early 21st century. The industrial revolution is the development of productive forces caused by the production technology, thus causing ...