earth ellipsoid

基本解釋

The elements of earth-ellipsoid such as radius M of curvature in meridian are the function of latitude.
如子午線曲率半徑M等的地球橢球要素是緯度的函數(shù)。
Algorithms of the monitoring devices scanning the terrain are presented, using the DEM and the earth ellipsoid's properties based on the global visualization in this paper.
該文在全球地形可視化的基礎(chǔ)上，結(jié)合DEM數(shù)據(jù)和地球橢球的特性，論述了偵察設(shè)備掃描地形環(huán)境可視域模型的算法。
Based on the theory of differential geometry and geodesy, the second order differential equation and the first differential relationship are derived on the regional earth ellipsoid in this paper.
通過在積分換元、微分方程求解、多（一）元復(fù)合函數(shù)求全微分、偏導(dǎo)數(shù)及高階偏導(dǎo)數(shù)中的應(yīng)用舉例，論述了一階微分的形式不變性在微積分學(xué)中的作用不應(yīng)被忽略。