the geometry of spiders' webs.
蜘蛛网几何形状。
the geometry of spiders' webs.
蜘蛛网几何形状。
Geometry has practical application in aviation and navigation.
几何学在航空和航海中有其实用性
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.
三视张量是三视几何学表达,它对三幅图像上同名点、同名线都存在严格约束关。
Finally,the edge data of the particles was processed smoothly applying geometry theory.The experiment results show that the method can segment urina...
实验果表明,该方法在尿沉渣图像分割应用中得到了令人满果。
(1) Geometry model of roller bit’s sphere tooth, wedgy tooth and bucket shape tooth were established;
(1)建立了牙轮钻头球形齿、楔形齿和勺形齿三维空间几何模型;
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.
工业产品几何造型技术发展要求,以及拓扑学复形等概念引入到几何造型中,因此产生了非流形几何造型理论。
When the coefficients of quadratic equations were irrational numbers, Abu Kdmil abandoned the geometry demonstration showing the trend of arithmetization.
而且,当遇到具无理方程时,作者放弃了几何证明,具有明显算术化趋势。
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晶体学、位错机理以及几何位向学;
GRG是一个计算机程序,它为解决在微分几何,地心引力和场论中问题。
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,你需要和几何,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.
为了实现这种快速和低复杂度分配方法,提出了和半规则网格几何编码相关重建均方误差近似方法。
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”是框架几何形状不正确或框架统侧摆和俯仰稳定得不完善所产生。
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层次约束,把几何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”,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、树叶或树皮表面上,或在头状花序、雪花、壳螺旋或天空中行星和恒星几何排列中。
It has been described as work that “relies on geometry and symmetry, fusing curvilinear shapes into pixilated, cleverly impressionistic jigsaw puzzles”.
他作品被称作「依讬几何和对称,将曲线融入搞怪之中,机智运用印象主义智力拼图」。
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,为较大共轭体,取羟基接入,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、产物分子几何构型,得到其总能量、键级等据。
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