球面坐标

In order to calculate the electric field intensities of spherical electrode s in 3-D electrostatic fields precisely,the spherical surface curve triangular BEM which is based on spherical coordinates transformation is put forward.

为了精确计算三维静电场中球形电极表面的电场强度，提出了基于球坐标变换的球面曲边三角形边界元法。

In order to calculate the electric field intensities of spherical electrode s in 3-D electrostatic fields precisely, the spherical surface curve quadrangular BEM based on spherical systems is put forward.

为了精确计算三维静电场中球形电极表面的电场强度，基于球坐标变换提出了球面曲边四边形边界元方法。

An algorithm of determining the minimum convex spherical polygon is presented.

继而给出星下点最小凸球面多边形的判定算法；与传统方法不同，该算法无需求解星下点坐标即可判定星下点几何特征，进而计算卫星分布面积，作为星下点几何特征的二维表征。

A correction formula for target deviations is derived by using the coordinate transform and its suitable conditions are proposed. Experiments show that it is coincident with the spherical trigonometry well.

分析了目前采用的脱靶量修正模型的适用条件，采用坐标变换法推导出经纬仪脱靶量修正公式，获得了与球面三角学相一致的推导结果，并在此基础上推导出成像系统无照准轴平行约束条件的通用脱靶量合成公式。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。