一个非常全面的捷联惯导程序，包含了从初始对准、初值的设定，四元素的四阶龙格库塔法更新，对速度微分方程和位置方程分别用龙格库塔法和欧拉角法求解-A very comprehensive program SINS, including from the initial alignment, initial set, the four elements of the fourth order Runge-Kutta method updates the location of the speed di