1) great circle bearing
大圆弧航向
2) great circle route
大圆弧航线
3) great circle course
大圆航向
4) great circle initial course
大圆航线始航向
1.
he analytical method for determining great circle initial course has been restudied, and with the development of its application it is found that the related formula and concepts contained in the prevailing textbook should be corrected and completed.
针对地文航海教材中在利用公式法求大圆航线始航向时所存在的问题进行了系统的分析和研究。
5) loxodrome normal circular arc spiral bevel gear
斜航式法向圆弧锥齿轮
1.
It is based on the least square method and the characteristics of loxodrome normal circular arc spiral bevel gear and combined with the theory of differential geometry.
基于最小二乘法并结合微分几何理论,针对斜航式法向圆弧锥齿轮的特点,提出了一种适合Bertrand齿廓面检测时测量点的回归法。
6) astronomical great circle course
天文大圆航向
补充资料：大圆
用过球心的平面截球面所得的圆。当截面不过球心时，截得的圆称为小圆。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条