这也就是为什么古希腊天文学和几何学总是合为一体的,而且古希腊的几何学家对于球面三角学(spherical trigonometry)的投入程度要远远超过他们对于平面测量学的兴趣,因为「量天的学问才是他们所致力去理解者;它的确比丈量土地、计量财产等更引...
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...球面三角; 公式(数学); 极射赤面投影; 算图法[gap=584]ional drilling; core drilling; wedge deflection tool; parameter; hole deviation; spherical trigonometry; formula (mathematics); stereographic projection; nomographic method..
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N the branch of trigonometry concerned with the measurement of the angles and sides of spherical triangles 球面三角学
Vector approach to spherical trigonometry.
球面三角学向量法。
He also did work relating to spherical trigonometry.
郭守敬还做了与球面三角有关的工作。
Methods of spherical trigonometry and direction cosine matrix were applied respectively to derive the bracket error, and the two methods had the same error formula and the same calculation results.
应用球面三角法和方向余弦矩阵法分别推导出双轴陀螺平台的支架误差公式,发现由这两种方法推导出来的公式计算结果是一致的。
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