查询词典 symmetry

Study revolves and symmetry of surface sketch, compound symmetry transformation, the concept of group, revolve and symmetry transformation in line group.

以初中学生为授课对象，研究平面图形的旋转对称与轴对称、对称变换的复合、抽象运算意义下数与形的对应关系、群概念以及带群中的旋转和轴对称的变换。

Multiple packed cylinders and more complex structures such as helices or stacked toroids spontaneously form for low-symmetry and high-symmetry cross sections, respectively. Furthermore, the symmetry and domain spacing of these structures can be altered by the shape and size of the confining pore.

我们发现当孔的对称性很低时，共聚物主要形成柱状结构；而当孔的对称性较高时，共聚物形成了多螺旋、层叠圆环等新奇结构。

Their ability to draw the picture accurately is impaired especially when the symmetrical axis is tilted. Parallelograms are easily mistaken for line-symmetry diagrams. Point-symmetry diagrams tend to prevent correct identification of line-symmetry diagrams.

学童在画线对称图形另一半的能力有待加强，尤其当对称轴是歪斜时会影响学童画图的准确性；平行四边形易被当成线对称图形，点对称图形也会干扰线对称图形的判定。

And if you think about it, all these different societies have different geometric design themes they use. So Native Americans use a combination of circular symmetry and fourfold symmetry. You can see on the pottery and the baskets ... Here's an aerial photograph of one of the Anasazi ruins; you can see it's circular at the largest scale, but it's rectangular at the smaller scale, right?

事实上，不同的社会有不同的几何建筑规划方案，在北美，人们喜欢圆形对称、四重对称，你可以在陶罐和篮子上看出来……这是Anasazi遗迹的航拍图，图上看出大局上呈现圆形，而局部则呈现方形。

C3 symmetry operation is regarded as a transformation operator in angular momentum representation and the crystalline potential in Oh symmetry can be simply derived.

将C3对称操作看作角动量表象的对称变换算符，推导出Oh对称性晶场势。

Multicellular animals, a system, both radial symmetry and bilateral symmetry of the characteristics of comb jellyfish found in animals and Anthozoa animals.

多细胞动物的一种体制，兼有辐射对称和两侧对称的特点，见于栉水母动物及珊瑚纲动物。

Axial symmetry parts are applied abroad, it is important to research extruding deformation of axial symmetry parts.

轴对称零件是最广泛应用的零件之一，因此研究轴对称零件的挤压过程有着重要的现实意义。

Distribution of luminous intensity having an axis of symmetry or at least one plane of symmetry.

对光源而言，至少有一轴对称或面对称的光强分布。

In contrast to the existing methods which can detect one type of symmetry, the advantage of the algorithms is that it can detect both type and axis of symmetry.

这种方法克服了现有方法只能验证一种对称类型的缺点，即使缺失部分信息也能检测出对称性。

Application of both finite element and combined strip element to axis symmetry problems;2. Basic definition of axis symmetry has been given with three specific examples.

通过三个例子讲述了折叠矩形后满足轴对称的基本定理，并分别从折叠一次、两次介绍了折叠型的解题方

Just so you know where we're going...

只要让你知道我们的目标。。。

One of his friends acted as the gobetween in his business.

在这件事中，他的一个朋友充当了中间人。