A simulation calculation was made by the Simpson numerical integral, and the simulated results of the initial course and route distance were compared with those based on the greatcircleroute.
用辛普森自适应算法进行了仿真计算，并与大圆航线的计算结果进行了比较。
2
The analysis indicates that the conditions of second derivative of the above relevant factors play an important role in the formation of greatcircleroute.
本文研究表明，上述影响因素的二阶经向变率的存在条件对于“大圆路径”形成起了重要作用。
3
It can motivate about 3 pairs of waves that propagate along a "greatcircleroute" and significantly affect the general circulation in mid-high latitudes.