“椭球分布”是天文学专有名词。来自中国天文学名词审定委员会审定发布的天文学专有名词中文译名，词条译名和中英文解释数据版权由天文学名词委所有。
速度椭球分布 ellipsoidal distribution of velocities
球形分布和椭球形分布 Spherical and Elliptical Distribution
椭球等高分布 elliptically contoured distribution
椭球矩阵分布 elliptical matrix distribution
证明了左椭球分布的极大似然估计性质。
The left ellipsoidal distribution is derived from the method of the likelihood estimations of parrameters.
文中简要介绍了焊接过程数值模拟热源的各种加载模式：高斯分布函数、双椭球分布函数、生死单元方法。
The paper briefly introduces several heat source models in numerical simulation of welding processes, including Gaussian distribution, double-ellipsoid distribution and birth-death element.
文中简要介绍了焊接过程数值模拟热源的各种加载模式：高斯分布函数、双椭球分布函数、生死单元方法。
The method of element birth and death was applied to simulate the model of loading welding heat source.
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