查询词典 rings

In 1999, Nicholson further introduced the concept of strong clean rings as follows: A ring R is said to be strongly clean if every element of R is the sum of an idempotent element and an invertible element that commute with each other.

W.K.Nicholson进一步引入了强clean 环的定义：一个环R 被称为强clean环，如果R中的任意一个元素均可以表示成一个幂等元和一个单位和的形式，并且幂等元和单位可换。

In this study, six surfactants with different ionic type, molecular structure, and phenanthrene (3-rings PAHs) were used to test the effects of surfactant to the degradation of phenanthrene, and to the combined toxicity with the phenanthrene.

本篇论文以六种不同离子类型、分子结构的表面活性剂和以菲为多环芳烃的代表，研究了表面活性剂对菲降解的影响，和与菲共存时的复合毒性，以及表面活性剂对菲在模拟生态系统中的迁移转化规律的影响。

Correspondingly, the concept of fuzzy regular semiideal is introduced and the correspondence theorems of fuzzy regular semiideals and the isomorphism theorems of fuzzy regular quasi-quotient rings are established under ring homomorphism.

相应地，我们引入了模糊正则半理想概念，建立了环同态下模糊正则半理想的对应定理以及模糊正则拟商环的同构定理。

He jumps up like a jack-in-the-box whenever the phone rings.

电话铃每次一响，他就像玩具跳偶一样蓦地跳起来。

Jack: He jumps up like a jack-in-the-box whenever the phone rings.

电话铃每次一响，他就像玩具跳偶一样蓦地跳起来。

Janus (181 kilometers across) is a mere speck below the rings, just left of the terminator.

图中所见的土星，是由身处15度倾角的卡西尼号所传送回来。

Integral group ring is one of the most important rings . Its K- groups is an attractive topic in algebraic K -theory.

整群环ZG是一类非常重要的环，它的K—群是代数K—理论中十分重要且引人入胜的研究专题之一。

These are rings of 18 and 24 karat gold.

这些是18k和24k金的。

Still, many thought he must be the model for the elusive Karla, the fictional Soviet spymaster who ran rings round his Western adversaries in the works of John le Carré, a British novelist steeped in the world of espionage.

很多人认为他就是英国小说家约翰·勒卡雷笔下那个把对手耍的团团转，令人难以琢磨的间谍头子－卡拉的原型。

Well, what Keating said to his poetry class rings true for me with music. It is one of the things that makes this life worth living.

Keating 教授在他的英诗课所说的，对于我和我的音乐是同样的情况，它也是让生命变得值得的东西。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。