1) second-degree harmonic coefficients
2阶位系数
1.
Section 1 formulates the Earth s principal moments of inertia and the Earth s flattening; Section 2 deals with the computation of the second-degree harmonic coefficients in the principal axes coordinate system; Section 3 studies the directions of the Earth s principal axes of inertia, and Section 4 presents the num.
第一节研究主惯性矩和地球扁率的计算公式;第二节研究主惯性轴坐标系中2阶位系数的计算;第三节研究地球主惯性轴方向的确定方法,第四节给出地球主惯性矩、主惯性轴方向和地球扁率的数值结果。
2) second-order potential coefficients
二阶位系数
1.
The impacts of the temporal second-order potential coefficients on the Earth\'s principal axes and moments of inertia as well as variations of length of day(LOD) are studied.
讨论了月时变二阶位系数对地球主惯性矩、主惯性轴以及日长变化的影响,利用小波分析方法处理了GRACE月平均重力场的二阶位系数,消除了数据中的突跳和噪声。
3) derivatives of order 2
2阶导数
1.
This paper intends to present the relation of the derivatives of order 2 between Kantorovich operators and the smoothness of the function it approximates ,and obtain the equivalent theorem between the derivatives of roder 2 of Kantorovich operators and the Ditzian Totik modulous of smoothness.
给出Kantorovich算子 2阶导数与它所逼近的函数的光滑性之间的关系 ,得到Kantorovich算子 2阶导数与Ditzian Totik光滑模的等价定理 。
4) 2-pass system
2-阶系统
5) No-whole degree geopotential coefficients
不完全阶次位系数
6) high-order digit
高阶数位
补充资料：阶位
1.按等级排列的座位。
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