人为了生存和社会发展,需要利用自身的器官探寻目标,如人为了吃烧饼,欲知道它是热的还是凉的,必然会用手去触摸它。人持车票乘火车,必然要用眼睛去探寻车厢号码,这也是人的本能。人为了拓展自己探寻目的能力,需要利用仪器,需要站得高,看得远,去探测目标的存在状态。我国东汉张衡于公元132年创制了世界上最早测定地震方位的“地动仪”(图1)。公元138年“地 People in order to survive and social development, we need to use their own organs to explore the goal, such as human to eat biscuits, to know if it is hot or cold, it is bound to touch it with the hand. People holding tickets by train, bound to use their eyes to explore the car number, which is human instinct. People in order to expand their ability to explore the purpose, the need to use the instrument, you need to stand tall, far, to detect the existence of the target state. In the Eastern Han Dynasty in China, Zhang Heng created the earliest ”earthmoving instrument“ (Figure 1) in the world in 132 AD. In 138 AD ”to