使用旋转对称传达动作和行为。
这个旋转对称便于安装。
几何规定旋转对称只能以二次，三次，四次和六次存在。
Geometry dictates that only two -, three -, four - and six-fold rotational symmetry can exist.
折射率分布不具有旋转对称，而是与方向有关。
The refractive index distribution does not have the rotational symmetry, but concerns with the direction.
提出椭圆旋转对称群，它是一个单参数阿贝尔群。
The ellipse rotating symmetric group is proposed, which is an Abelian group.
研究了多极透镜与旋转对称透镜组合系统的基本性质。
The elementary properties of the system combining a multipole len with a round len are studied.
旋转对称性是计算机视觉形状分析中的一类重要结构属性。
Rotational symmetry is one of the important structural properties of shape analysis in computer vision.
提出一种适合于分析旋转对称壳体温度场的壳体温度单元。
A shell temperature element suitable for the analysis of temperature field in axisymmetric shells is presented.
可以同时检测镜像对称、旋转对称、曲线对称等多种对称性。
Finally, it can detect bilateral symmetry, rotational symmetry, curve symmetry and others.
首次设计了适用于一维具有旋转对称性的大环分子的能带程序。
The new energy band program for One - D macrocyclic molecular crystal with Cn symmetry was designed by use for the first time.
研究结果表明：环状光束通过像散透镜后变为非旋转对称光束；
The results show that the annular beams become non-rotational symmetric after passing through an astigmatic lens.
旋转对称(或称放射对称)是指某一物体绕着某一点在某一方向上做转动。
Rotational symmetry (or radial symmetry) is when an object is rotated in a certain direction around a point.
然而几何学告诉我们，只有二次、三次、四次和六次的旋转对称是能够存在的形式。
That is impossible. Geometry dictates that only two-, three-, four- and sixfold rotational symmetry can exist.
结果表明，能动磨盘能够以较高精度产生旋转对称或非对称的抛物面形状。
The results show the active 1ap can reshape the quadratic curved figure, both symmetrically and dissymmetrically with high precision.
该方法不同于传统的旋转对称整形系统的设计，属于非对称整形系统的设计范畴。
The method is different from that of traditional revolving symmetrical design of shaping system. It is an asymmetrical design.
该方法解决了该换能器旋转对称面上存在跃变的应力、应变给设计工作带来的困难。
The method has solved the difficulty of the saltatory stress and the strain on the rotation symmetry face of cymbal transducer for bringing the design.
所述的压电陶瓷圆片、空气用匹配层、灌注层、外壳和屏蔽层均为中心旋转对称结构。
The piezoceramic round disc, the matching layer for air, the perfusion layer, the casing and the shielding layer adopt a central rotational symmetry structure.
旋转对称的平面设计使得每个公寓拥有自己的私人户外区域，最少面对两个方向的景观。
The rotationally symmetric arrangement allows each apartment to have its own private outdoor area with a view of minimum of two directions.
对某旋转对称天线不同频率处的方向图计算结果表明，与等效MOM相比，该法的精度更高。
The computation result for some rotationally symmetric antenna under various frequencies showed that the accuracy of the method in this paper was higher than the one of equivalent MOM.
晶体学家们一直认为所以的晶体都具有旋转对称性，这样当它们转动起来时候，从各方面来看都是一样的。
Crystallographers always believed that all crystals have rotational symmetry, so that when they are rotated, they look the same.
在页面上部特性的描述上采用了一般性的旋转对称，下面“我们的团队”一栏中，实实在在的采用旋转对称。
There is a general use of rotational symmetry up top around the list of features, but also a more concrete use down below by the "Our Team" section.
分析像散椭圆高斯光束的传输变换特性，推导出半导体激光束的像散校正与旋转对称化变换公式。
In view of the above, the transformation properties of astigmatic elliptic Gaussian beams are analysed overall, the exact formulas of correcting astigmatism and rotary symmetrize transformation.
本文研究了微重状态下任意旋转对称容器内液体晃动力学问题，分析给出了液体晃动的等效力学模型。
The sloshing dynamics of an arbitrary axisymmetric rigid tank is investigated under low-gravity conditions, and an equivalent mechanical model theory is analyzed in this paper.
文中提出了“等效环”的概念，把旋转对称面上不等元分布共形阵等效为等元分布的情形，简化了共形阵的物理模型。
The concept "equivalent ring" simplifies the array model in the method of equating arrays with unequal elements to arrays with the same elements in each ring.
采用多级模态综合技术并利用结构旋转对称的特点，建立包括转动部件和固定部件在内的水轮机整机系统动力特性分析模型。
A model for dynamic analysis on a whole hydroelectric machine system was studied by multiple step mode synthesis technique, which consists of rotary and fixed components.
在大多数文献中，主要用它来设计一维衍射光学元件和具有旋转对称结构的二维衍射光学元件，故在此称之为一维杨顾算法。
In almost all literatures, it is mainly used to compute one-dimensional diffractive optical elements and two-dimensional diffractive optical elements with rotationally symmetric structures.
应用光程函数法计算出旋转对称电子光学系统的7级几何像差，给出旋转对称电磁场同时存在情况下的系统7级几何像差表示式。
The 7th order geometrical aberration of rotationally symmetrical electron optic system and their expressions are given by using the eikonal method when the electric and magnetic fields exit.
所述初级光束（411）的发 散通过在多个以不同角度朝所述光轴（417）倾斜的旋转对称界面（471，472） 上发生折射而实现。
The fanning of the primary bundle of light beams (411) is achieved by refraction on rotationally symmetric interfaces (471, 472), which are variably inclined in relation to the optical axis (417).
现有的触感设备均采用重量不对称的旋转电机来产生震动效果。
Existing haptic devices use rotary motors with off-centre weights to generate such tremors.
一个本身就在旋转中的黑洞也许可以削弱在它内部的时空旋转，而这也许可以改变时空对称的自然法则。
A spinning black hole would have imparted some spin to the space-time inside it, which would violate a law of symmetry that links space and time.
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