单词	principal diameters of an ellipse
释义
随便看	σ-algebra σ-algebra σ-algebra generated by a collection of sets σ-algebra generated by partition ζ σ-bounded ideal of a Boolean algebra σ-closure preserving family σ-compact space σ-complete Boolean algebra σ-complete homomorphism σ-complete ideal of Boolean algebra σ-complete lattice-ordered group σ-complete lattice-ordered ring σ-complete subalgebra σ-complete vector lattice σ-complete vector lattice σ-cyclic ring σ-decomposable space σ-discrete family σ-field σ-field σ-field of events σ-finite generalized measure σ-finite generalized measure space σ-finite measure σ-finite measure algebra

数学辞典收录了63749条数学词条，基本涵盖了常用数学知识及数学英语单词词组的翻译及用法，是数学学习的有利工具。