Spherical tensor form of the Zeeman Hamiltonian for multielectron atoms has been reduced by utilizing the unreducible tensor theory and the angular momentum coupling theory. 摘要利用不可约张量理论和角动量耦合理论，导出多电子原子塞曼哈密顿的球张量形式。
According to the theory of order statistics,the paper analytically proves the unbiased calculating formulas of sample probability weighted moments with discrete series. 本文根据次序统计量理论，分析推证了不连序系列样本概率权重矩的不偏计算公式。
