任何伟大发明的诞生，都应从三个方面来考察：当时社会环境，人类文化智慧的积累，发明家的天才努力。蒸汽机的发明就是如此。１８世纪中后期，英国资产阶级专政已确立近百年，资产阶级政权的确立极大地促进了英国资本主义的发展。在农村，圈地运动从非法成为合法。这个时... The birth of any great invention should be investigated from three aspects: the social environment at that time, the accumulation of wisdom of human culture, the inventor’s genius efforts. The invention of the steam engine is the case. In the mid-to-late 18th century, Britain’s dictatorship of the bourgeoisie had been established for nearly a hundred years. The establishment of the bourgeois regime greatly promoted the development of British capitalism. In rural areas, enclosure movement became illegal from illegitimate. This time ...