一、运行模式与制约条件高新技术产业的运行模式，由于各国当时所处国内经济、科技状况及国际经济、科技环境不同，到目前为止，形成了三种较典型的模式。第一种开发型模式，５０年代，美国著名“硅谷”高科技城，在当时几乎没有外援条件下，自行开发的典型模式。第二种开发与 I. Modes of Operation and Restrictions The operation modes of high-tech industries have formed three typical modes so far because of the domestic economic and technological conditions in each country and the different international economic and technological environments. The first development model, the 50’s, the United States famous “Silicon Valley” high-tech city, at the time almost no foreign aid conditions, the typical model of self-development. The second development and