查询词典 symmetry

With the method of the Lie group transformation,the symmetry of the equation governing one dimensional finite strain consolidation is discussed and,from the point of the symmetry,the feasibility to obtain the analytical solution of these nonlinear partial differential equations is discussed.

介绍了基于连续介质理论和混合物理论的大应变固结理论的发展，论述了两种一维大应变固结理论之间的差异及其一致性。

According to the complete geometric symmetry of the irons and windings, and the mirror symmetry during positive-negative operating-mode period, the expressions of current harmonics are derived, and the electromagnetic equitation are simplified. Based on this, the analytical calculation of flux density and the electromagnetic calculation of the reactor are performed.

根据两个铁心及绕组的结构完全对称以及它们工作状态在正负半周里呈镜像对称的特点，推导出电流谐波关系式，简化了本可控电抗器的电磁方程，并根据简化后的数学形式研究了其磁感应强度的解析计算，最终计算出了各项性能指标。

Flat surface is one rules the whole exact square, pillar net with medium stalk line or so and symmetry distribute, the symmetry decoration of the top and bottom floor studding son, whole is a shuttle pillar.

平面为一规整的正方形，柱网以中轴线左右对称分布，上下楼层间柱子对称布置，全为梭柱。

Its main features are: algae body as a single cell or even into a variety of groups; cell walls composed of silica and pectin, but also by the structure of the shell and the shell under the combined set of the Cheng, vertical section view was "soap-box"-shaped; in the upper and lower shell surface of the shell are patterns arranged in patterns on both sides of the main mode of symmetry and radial symmetry is divided into two categories, for the classification of the most important basis; be able to campaign Type in the shell has a shell side seam, can not be changed no shell seam types; pigment body sheet or ribbon, 1 or 2, or for multiple small discoid, yellow green or brown, containing chlorophyll a, c, also contains fucoxanthin and silicon A flavin and other photosynthetic pigments; storage material mainly for oil droplets; reproduction mainly for cell division and cell division in diatoms obvious features are: each cell division, resulting from two sub-cells,, only one and the mother cell and so big, the other one is smaller.

其主要特征是：藻体为单细胞或连成各式群体；细胞壁由硅质和果胶质组成，而且在结构上都是由上壳和下壳套合而成，纵断面观呈"肥皂盒"形；在上下壳的壳面上有花纹，花纹排列的方式主要分为两侧对称和辐射对称两大类，为分类上的最重要依据；能运动的种类在壳面都有壳缝，不能动的种类均无壳缝；色素体片状或带状，1个或2个，或为多个小盘状，黄绿色或黄褐色，含叶绿素a、c，还含有墨角藻黄素和硅甲黄素等光合色素；贮藏物质主要为油滴；繁殖方式主要为细胞分裂，硅藻的细胞分裂的明显特点是：每次细胞分裂所产生的2个子细胞中，仅有1个和母细胞等大，另1个则稍小。

Firstly,the generic conception of symmetry for a real sequence was proposed,and then,the symmetry-decomposition and the symmetric degree sequence are presented,which are deduced from the projection theory,the orthogonal-decomposition theory in inner product space and .

首先提出序列信号一般意义下的对称概念，然后由内积空间中的投影、正交分解理论以及内积量化两个信号线性相关程度的特性导出任意信号的对称分解及对称程度序列，对称程度序列定量刻画了信号随对称点的变化时对称特性的变化，在此基础上得出任意序列信号对称程度的定量指标——对称性指标。

Consisting of the protracting graph of hydrogen-like atom"s angle distributing, computer simulation of the symmetry of molecular orbital and chemical reaction mechanism, showing the molecular point group and symmetry element, computer simulation of molecular vibration, Bravias"s crystal lattice and their transforming, extracting of plane periodic lattice, extracting of solid periodic lattice, close packing of isometrical pellet and the structure of simple mental substance, close packing of unequal pellet and crystal structure of representative ionic crystal, Computer Simulation of Phase Analysis by X-ray Diffraction.

内容包括类氢原子角度分布图的绘制，分子轨道对称性和反应机理的微机模拟，分子点群和对称元素显示，分子振动运动的微机模拟，布拉维晶格和晶格转化，平面点阵抽取，立体点阵抽取，等径网球的密堆积和金属单质结构，不等径圆球密堆积和典型离子晶体结构，X射线多晶衍射的微机模拟十个子模块。

Otherwise, we design several shapes of the TFT devices, like symmetry structure、non-symmetry structure、differential channel width and length of the TFT devices、micro lens array lie on top of the TFT devices.

除此，利用不同的薄膜电晶体光感测元件设计，如对称式的、非对称式的、不同通道的宽度及长度或是电晶体上方制作微小的聚光透镜等方式。

In modem physics, symmetry is still a key to studying modem physics, especially microphysics, in which the symmetry is a forceful means to exploration

在现代物理学中，对称性更是研究现代物理前沿问题的一把钥匙，特别是在微观物理领域中，对称性已经成为研究物理问题的一种强有力的手段。

On the basis, we analyze and explain the symmetry of body structure of animals, and think that the symmetry of body structure of animals is determined by the principle of minimum energy.

首先对两个具体的物理系统进行分析，揭示了结构对称与能量最小之间的关系，在此基础上分析和解释了动物体形结构的对称性，并认为动物体形结构的对称性是由最小能量原理决定的。

Through analyses of the field tracer migration test results of tritium in unsaturated loess located in semi arid area, it is found that the longitudinal concentration distributions of 3H are symmetry at higher relative concentration and non symmetry at lower relative concentration.

通过氚在黄土包气带现场示踪试验结果的分析，发现3H纵向分布在相对浓度较大时是对称的，而相对浓度较小时则不对称。

As of Tuesday, Google's results were still censored in China.

截至周二，谷歌的搜索结果仍受中国审查。

In order to make the positive action increase and negative one decrease, the sub-forces of the social factors must be adjusted to form a centripetal force.

在这一过程中，人的主体性发挥是社会有机体健康发展的灵魂。