geometry 四级高考考研

the geometry of spiders' webs.

蜘蛛网的形状。

Geometry has practical application in aviation and navigation.

学在海中有其实用性

The results show that the particle geometry and grain size of nitramine influence the combustion property greatly.

采用密闭爆发器试验手段,对低易损性发射药的燃烧性能进行了研究。

The trifocal tensor is the mathematical expression of trifocal geometry, it has strict constraints to correspondence points and lines in three images.

三视张量是三视的数学表达,它对三幅图像上的同名点、同名线都存在严格的约束关。

Finally,the edge data of the particles was processed smoothly applying geometry theory.The experiment results show that the method can segment urina...

实验结果表明,该方法在尿沉渣图像分割的应用中得到了令人满意的结果。

(1) Geometry model of roller bit’s sphere tooth, wedgy tooth and bucket shape tooth were established;

（1）建立了牙轮钻头的球形齿、楔形齿勺形齿三维间的模型；

With the request of geometry modeling system and application of the concept about complexes algebraictopology in the field of industrial production , the theory of non-manifold model come into being.

工业产品造型技术的发展要求,以及代数拓扑学复形等概念引入到造型中,因此产生了非流形造型理论。

When the coefficients of quadratic equations were irrational numbers, Abu Kdmil abandoned the geometry demonstration showing the trend of arithmetization.

而且，当遇到具无理数的方程时，作者放弃了证明，具有明显的算术化趋势。

The crystallology, dislocation mechanism and geometry of twinning during plastic deformation of magnesium alloys are overviewed in this paper.

摘要介绍了镁合金变形过程中孪生的晶体学、位错机理以及位向学；

GRG是一个计算机代数程序，它为解决在微分，地心引力场论中的问题。

GRG is a computer algebra program designed for the problems in the differential geometry, gravitation and field theory.

If you want to be a draftsman, a machinist, a molder, or a patternmaker, you'll need algebra and geometry and even trigonometry.

如果你想成为手工艺人、缝纫工、造型工或制模工，你需要代数，甚至三角学。

To achieve such a rapid and low complexity of the distribution，and it proposes a semiregular mesh geometry coding related to the reconstruction of the mean square error of approximation.

为了实现这种快速低复杂度的分配方法，提出了半规则网格编码相关的重建均方误差的近似方法。

So-called "gimbaling errors" can result from improper gimbal geometry or from imperfect roll and pitch stabilization of the gimbal system.

所谓“框架误差”是框架形状的不正确或框架统的侧摆俯仰稳定得不完善所产生的。

The geometric mouldability of a part, which depends on the geometry of the part, is defined as the ability of the part to clear out of the mold core and cavity when the mold opens.

通过定义了一组反映产品制造成本的层次约束，把可注塑性分析问题形式化为一个约束满足问题；

Object displays various pattern, if superficial, or geometry being hit by the planet and the fixed star in anthodium , snowflake , shell helix or sky in animal skin , leaf or bark arranges middle.

谢谢了，摘要如下自然是“被设计的”，这一猜想可以为事实证明。事物呈现出各种图案，如在动物皮、树叶或树皮的表面上，或在头状花序、雪花、壳的螺旋或天中行星恒星的排列中。

It has been described as work that “relies on geometry and symmetry, fusing curvilinear shapes into pixilated, cleverly impressionistic jigsaw puzzles”.

他的作品被称作「依讬对称，将曲线融入搞怪之中，机智运用印象主义的智力拼图」。

The aurone compounds are generally on one plane ,and they have a bigger conjugate system .The inducement of hydroxyl substituents has little influence on their own geometries .

橙酮类化合物分子共面性较强,为较大的共轭体,取代羟基的接入,对橙酮类化合物共面性影响不大。

In this paper,the geometries of leucine,its thermolytic intermediate and final products are optimized by AM1 method,respectively.The parameters of the total energy and bond order etc are obtained.

用AM1方法全优化计算了亮氨酸及其热分解中间产物、产物分子的构型，得到其总能量、键级等数据。