1) Normal precipitous ideal
正规险峻理想
2) Precipitous ideal
险峻理想
3) Normal Ideal
正规理想
1.
Let S be a semiring,M the set of normal ideals of S and N the set of congruence relations on S.
该文证明了半环Ｓ的正规理想之集Ｍ的基数小于等于Ｓ上同余关系之集Ｎ的基数，并且存在半环Ｓ，｜Ｍ｜≠｜Ｎ｜；同时讨论了由两个著名的同余关系，即Ｂｏｕｒｎｅ同余与Ｉｉｚｕｋａ同余得到的商半环的性质及其它们之间的联系；最后，给出了关于一类特殊半环，其商半环是环的一个充分必要条件。
4) normal MP-ideal
正规MP理想
1.
MP-ideals and Normal MP-ideals in Fuzzy Implication Algebras
Fuzzy蕴涵代数的MP理想与正规MP理想
5) normal Riesz ideals
正规Riesz理想
6) dangerously steep
险峻
1.
In the period of the Books of Songs,people thought of the tall-and-big mountains as beauty and took a negative attitude to the dangerously steep mountains;in the period of Warring States and Double Han Dynasty,the dangerously steepness of the mountains were paid attention to and was thought of as beauty in the Fu literature.
《诗经》时期,人们以山的高大为美,对于山的险峻持否定态度;战国、两汉文学普遍关注山的险峻,《楚辞》的态度承袭《诗经》,赋体文学则以之为美。
补充资料：险峻
峻：山高而陡。指山势高而险：群山险峻难攀。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条