| 释义 |
〔subring〕A subset of a ring that is itself a ring.子环:本身也是环的一数学环的子集〔subset〕A set contained within a set.子集(合):包含于一集合中的子集合〔infinite〕Of or relating to a set capable of being put into one-to-one correspondence with a proper subset of itself.无穷集的:能与自身的一个子集发生一一对应的集的,与其有关的 |