169 km以远地壳质量的重力校正值高精度计算及其数值特征
安玉林1, 郭良辉1, 张明华2

High precision computation and numerical value characteristics of gravity emendation values arising from mass of the Earth's crust at the distance over 169 km from the observation point
AN Yu-Lin1, GUO Liang-Hui1, ZHANG Ming-Hua2