查询词典 invariant element

Crystal ; axial symmetry element ; invariant subspace ; the trace of a matrix

晶体；轴性对称元素；不变子空间；矩阵的迹

From K-G Equation and Dirac equation,using 2-D invariant line element, the radius equation and event horizon formula of particles are obtained.A simpler method to the research of quantum effect of the scalar and vector particles in black hole with spherical symmetry is singgested.

分别从K-G方程和Dirac方程入手，利用简化后的二维不变线元，直接给出了粒子的径向方程和视界面方程公式，为研究球对称黑洞中标量粒子和矢量粒子的量子效应提供了一个更简单的方法。

Concrete cotent:In foreword,The author introuduces the conceptional fixing about " Mongolian clans original legend "; domestic and overseas study situation ; the meaning of the study ; research purpose .In chapter 1, Mongolian clans original legend's content summary , motif variation.In chapter 2, The author investigates some problems about the wolf、 the deer 、 the catele 、 the swan 、 the owl and the tree ,which is involved Mongolian clans original legend , whether have relation to clan totemism or not.In chapter 3, The author investigates the key element of invariant content about the ancestor stems from " human " and " heaven " in Mongolian clans original legend .

具体内容为：导论："蒙古族诸氏族起源传说"的概念界定、国内外研究状况、选题意义及研究目的；第一章：蒙古族诸氏族起源传说的内容概要、母题变异；第二章：蒙古族氏族起源传说中所涉及的狼、鹿、牛、天鹅、猫头鹰、树木与氏族图腾崇拜是否有关等诸问题探析；第三章：蒙古族氏族起源传说中祖先源于"人祖"、祖先源于"天"等变异内容要素探析。

In chapter 4, we define the concept of q-element, and unify group invariant matrix, perfect sequence and q-element. We give their construction, necessary conditions and applications in the theory of difference sets.

在第四章中，我们提出了q-元的概念，并且整合了群不变矩阵、完美序列、q-元这三个概念，给出了它们的构造，它们存在的必要条件，及它们在差集理论中的应用。

For example, quadratic curve and quadric surface are used as primitive element in most modeling/CAD system. The implicit formulae for computing the intrinsic geometric invariant??

随着对参数曲线曲面研究的深入，早在80年代初苏步青教授等就将几何不变量的研究引入并应用到参数曲线、曲面的研究中，取得了重要的成果［1？

Concrete cotent:In foreword,The author introuduces the conceptional fixing about " Mongolian clans original legend "; domestic and overseas study situation ; the meaning of the study ; research purpose .In chapter 1, Mongolian clans original legend's content summary , motif variation.In chapter 2, The author investigates some problems about the wolf、 the deer 、 the catele 、 the swan 、 the owl and the tree ,which is involved Mongolian clans original legend , whether have relation to clan totemism or not.In chapter 3, The author investigates the key element of invariant content about the ancestor stems from " human " and " heaven " in Mongolian clans original legend .

具体内容为：导论：&蒙古族诸氏族起源传说&的概念界定、国内外研究状况、选题意义及研究目的；第一章：蒙古族诸氏族起源传说的内容概要、母题变异；第二章：蒙古族氏族起源传说中所涉及的狼、鹿、牛、天鹅、猫头鹰、树木与氏族图腾崇拜是否有关等诸问题探析；第三章：蒙古族氏族起源传说中祖先源于&人祖&、祖先源于&天&等变异内容要素探析。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。