科技发展在我国的历史不可谓不久远,从今天的激光、导弹,一直可以追溯到给整个人类世界的进步带来光明的“四大发明”。然而,仔细审视它的发展历程,却使人嗟叹不已:尽管我国古代的科技先驱曾在世界上最早发明了火药、指南针等许多当时的尖端成果,但最终不是沦为宫庭、官僚的粉饰,就是被 The history of science and technology development in our country can not be described in the near future. From today’s lasers and missiles, it can be traced back to the “four major inventions” that bring bright to the progress of the entire human world. However, scrutinizing its course of development makes people sigh: Even though China’s ancient science and technology pioneers invented many of the cutting-edge achievements such as gunpowder and compasses in the world at the time, they are not the final decoration of palaces and bureaucrats. Is being