论文部分内容阅读
当“GPS全球卫星定位系统”这个曾经更多的运用在军事方面的技术以不可复加地速度进入我们的工作、生活之时,杨剑蓦然回首,已经跨过了一个个关坎,站到了新的高度。
When “GPS Global Positioning System” was once more used in the military technology to irreversibly speed into our work and life, Yang Jian looked back, has crossed one by one Guan, station To a new height.