| 释义 |
DEFINITIVE EXAMPLES 权威例句〔Venn diagram〕A diagram using circles to represent an operation in set theory, with the position and overlap of the circles indicating the relationships between the sets.维恩图：在集合论中用圆圈代表运算的图表，圆圈的位置和重叠表示了集与集之间的关系美国传统〔set theory〕The study of the properties of sets.集合论：关于集合性质的研究美国传统〔thesis〕He wrote a doctoral thesis on set theory.他写了一篇关于集合论的博士论文。牛津搭配 |