在人类的发展历程中,导航是一门既古老而又年轻的科学和技术。当我们去评价导航科技时,它不可能象工业革命、信息革命中的一些技术那样,在人类历史的进程之中闪现光辉。但在我们真正面对导航这门科学时,常常会感觉它是那样深奥,而不可解。什么是导航,这个问题对有些人也许说不清楚,其实也很简单。如我们从小就要学会认路的,认路就是一种简单的 In the course of human development, navigation is an ancient and young science and technology. When we evaluate the navigation technology, it can not possibly shine through the process of human history, as some technologies in the industrial revolution and the information revolution do. But when we really face the science of navigation, we often feel it is so esoteric, but not solvable. What is navigation, this issue may not be clear to some people, in fact, is very simple. As we have learned to recognize the road from an early age, recognizing the road is a simple one