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In accordance of dynamical analysis to asymmetric basin forming, it is restricted doubly by crust multi-layer rheological structure and regional geotectology background in the Lower Yangtze regional crust, especially in close relationship with action of C-layer (18-20km) in the Lower Yangtze region crust. After quantitative analysis of mutual relation between the basin geometrical feature and the crustal structure, a new way will be supplied to the research of Mesozoic-Cenozoic sedimentary basin evolution and the oil -gas exploration in the Lower Yangtze region.

在此基础上，对非对称盆地形成的动力学分析认为，它受下扬子地区地壳多层次流变结构及区域大地构造背景的双重制约，尤其与下扬子地区地壳C层(18-20Km)的活动密切有关，定量分析了盆地的几何学特征与地壳结构之间的相互关系，为下扬子地区中新生代沉积盆地演化的研究及其油气勘探提供了新的研究途径。

Moreover, we discuss some geometrical properties about helicoidal surfaces in Minkowski 3-space.

在此基础上，讨论了螺旋面的一些几何性质。

Methods The heterogenetic cortical bone was made into screws,cylindrical or prismatic needles,plates and other objects with different geometrical figure and standard, which were applied for fixation of juxta articular and articular fractures.

将异种长骨皮质骨加工成螺钉、圆棒、三棱棒及接骨板等不同几何形状和规格，经物理和化学方法处理后，采用不同固定方式进行适宜部位骨折的固定。

It is necessary to understand the geometrical, mechanical and hydromechanical behavior of complex joint system and to develop predictive models.

因此有必要全面理解复杂的节理系统的几何学—力学—水理学特性，并建立可预测模型。

The basic principle for the geometrical design of hypoid gears is introduced.

介绍了准双曲面齿轮几何设计的基本原理。

Based on the equations, a new method for the geometrical design of hypoid gears is presented.

在这组方程的基础上，提出了一种几何设计的新方法，以大轮的节锥角和节圆半径以及小轮的螺旋角这三个参数为自由变量，以准双曲面齿轮副的偏置角为中间变量，用数值求解方法能够非常方便可靠地确定节锥的参数。

The design and manufacture of spiral bevel and hypoid gears are very difficult for their complicated geometrical structure of tooth form.

由于弧齿锥齿轮和准双曲面齿轮的齿面齿形几何结构的复杂性，使其设计、加工非常复杂。

Theoretical studies on various geometrical structures of Hypophosphorous acid were carried out using DFT theoretical methods,at the B3LYP/6—311++G** level.Intramolecular proton transfer isomerization has also been studied using the intrinsic reaction coordinate.

采用量子化学密度泛函B3LYP方法，在6—311++G**基组水平上全优化得到了硫代次磷酸的硫酮式和硫醇式两种构型异构体以及相应的对映异构体，同时对分子内质子转移异构化反应微观机理进行了理论分析。

Theoretical studies on various geometrical structures of Hypophosphorous acid were carried out using DFT theoretical methods, at the B3LYP/6-311 ++ G(superscript **) level. Intramolecular proton transfer isomerization has also been studied using the intrinsic reaction coordinate.

采用量子化学密度泛函B3LYP方法，在6-311++G基组水平上全优化得到了硫代次磷酸的硫酮式和硫醇式两种构型异构体以及相应的对映异构体，同时对分子内质子转移异构化反应微观机理进行了理论分析。

The purpose of the "low resolution cinema" project is similar to the Geometrical Abstraction movement, which was active in the beginning of the 20th century, and who based their work on a non-objective practice while ejecting the illusionistic practices.

&低象素电影&项目的目的与在19世纪初很盛行的几何抽象移动的理念是相似的。

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。