Indefinite length being changed into definite one and mathematical model being established, minimum flight distance for flying from Beijing to Detroit is obtained according to the knowledge of stereo-graph, functions, controlling metrology, computer progr
Indefinite length being changed into definite one and mathematical model being established, minimum flight distance for flying from Beijing to Detroit is obtained according to the knowledge of stereo-graph, functions, controlling metrology, computer progr
摘要利用把不定长转化为定长和建立数学模型的方法，借助空间立体图形、函数、控制测量学、计算机编程及物体间相互运动等知识，解决了从北京到底特律飞行航线最短，应用于实际中。