1·At present, there is certain localization in some formulae of transformation from geocentric coordinates to geodetic coordinates, such as rate of calculation, stability, or precision.
目前的一些地心坐标向大地坐标的转换模型在计算速度，稳定性或精度方面存在一定的局限性。
2·It is an important mission of Geodesy to improve an accuracy of control networks and to establish the geocentric coordinate system via combined satellite and terrestrial network adjustment.
通过地面网与卫星网的联合平差，以改善网的精度和建立高精度的地心坐标系统，是当前大地测量的一项重要任务。
3·The average of the six major planets heliocentric and geocentric are the most powerful points for time and price resistance.
第六大行星（即土星——亿军注）与日心和地心的平衡是最强大的时间和价格阻力点。
4·The computing of latitude is the key of geodetic coordinate transformation from geocentric coordinate which conventionally USES iterative methods.
大地纬度的解算是从地心直角坐标到大地坐标变换的关键，通常都用采用迭代法实现。
5·Greek astronomer who mapped the position of 850 stars in the earliest known star chart. His observations of the heavens form the basis of Ptolemy's geocentric cosmology.
希腊天文学家，曾绘制己知的最早的星象图，其中包括了850颗星星的位置，他对天空的观察奠定了托勒密的地心宇宙论的基础。