1) ellipsoidal gnomonic projection
椭球面日晷投影
1.
The three important characteristics and application of the ellipsoidal gnomonic projection are described.
研究了从地球椭球面描写到海图平面的采用双重投影法的日晷投影方程式 ,并阐明了椭球面日晷投影的 3个重要特性及其应
2) gnomonic projection
日晷投影
3) great circle chart
大圆海图;日晷投影地图
4) vertical direct east and west sun dials
面东西日晷
1.
In this paper,Qi Yanhuai,an astronomer in the Qing dynasty,and his vertical direct east and west sun dials,transit instrument and celestial sphere instrument were studied in detail.
介绍了清代天文学家齐彦槐的生平及其制作的面东西日晷、中星仪和天球仪等天文仪器 ,进一步探讨了这些天文仪器的制作原理和使用方法 。
5) spherical projection
球面投影
1.
The point of intersection of small circles on spherical projection can be calculated in terms of general gelolgical coordinate sysytem, therefore more accurate and quick result can be obtained.
利用通用地质坐标系可直接在球面投影上计算出两个小圆的交点,能更快更准确地得到结果。
6) Inertia Moment Projection Ellipsoid
惯量投影椭球
1.
First Approach to the Significance of Inertia Moment Projection Ellipsoid for Structure Deformation Analysis;
惯量投影椭球在构造变形分析中的意义初探
补充资料：参考椭球(见地球椭球)
参考椭球(见地球椭球)
reference ellipsoid
eankao tU0qlu参考椭球(referenee ellipsoid)见地沐椭球
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