正确的技术发展方向是推进技术进步、搞好技术改造的前提。赵总理指出:“各行各业都要从实际出发,确定切实有效的适合自己特点的技术发展方向,这对推动我国经济和技术的发展,意义是十分重大的”。为此,本文根据国家技术经济政策和云锡的资源、 The correct direction of technological development is to promote technological progress and improve the technical transformation of the premise. Premier Zhao pointed out: “All walks of life should proceed from reality and determine the effective and effective technical development direction that suits their own characteristics. This is of great significance to promoting the development of our economy and technology.” Therefore, according to the national technical and economic policies and the resources of Yunxi,