网站首页 汉语 德语 英语
An ideal all of whose elements can be generated by multiplying a given member of the associated ring by each member (including itself) in turn.
Early 20th century; earliest use found in American Journal of Mathematics.
雅致网英汉双解词典包含236457条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。