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1)  Symmetry/Asymmetrical
对称/非对称
2)  On Symmetry and Asymmetry
论对称与非对称
3)  symmetry and asymmetrica
对称与非对称
1.
The symmetry and asymmetrical attenuation gradient of temperature on flexible multilayer films
柔性多层隔热膜温度的对称与非对称梯度衰减(英文)
4)  asymmetry [英][æ'simitri]  [美][e'sɪmɪtrɪ]
非对称
1.
Asymmetry of the Contract, Hiring and Enterprise Ownership;
合同非对称性、雇佣与企业所有权
2.
The cutting force,compression force of crank arms,backward pushing force for remaining constant blade clearance are analyzed,and formula of asymmetry is deduced.
介绍了一种新型钢板剪切机,该机具有单轴非对称、负偏置结构。
3.
By field observation and simulating test of shallow seam longwall mining,the phenomenon of main roof asymmetry breaking is discovered during the first weighting.
依据典型浅埋煤层工作面的实测和模拟,发现了采场老顶初次破断的非对称现象。
5)  asymmetry [英][æ'simitri]  [美][e'sɪmɪtrɪ]
非轴对称
1.
Analysis of asymmetry of gas-phase flow field in volute cyclone;
蜗壳式旋风分离器内气相流场非轴对称特性分析
2.
The asymmetry of gas flow field in a cyclone separator was studied based on the flow field predicted by Fluent 6.
1软件提供的代数应力模型(ASM)计算了旋风分离器内的气相流场,并在此基础上讨论了流场的非轴对称特点。
6)  Asymmetric [英][,eɪsɪ'metrɪk]  [美]['esɪ'mɛtrɪk]
非对称性
1.
Progress in Study of Asymmetric Microporous Polymer Membrane;
非对称性聚合物微孔膜研究进展
2.
To keep the balance and stability of the motion,supercavitatingunderwater vehicle need asymmetrical supercavitating flow patterns.
为了探索满足要求的非对称超空泡流型,在水洞中开展了水下航行体通气超空泡非对称性实验研究。
3.
Based on quarter national time-series data from 1992-Q1 to 2005-Q2, the asymmetric and threshold effects of monetary policy have been studied in by LM test and t-test in this article.
本文基于1992年1季度至2005年2季度数据,运用LM检验和t检验,研究我国货币政策的非对称性以及“阀值效应”,得出我国货币政策的“阀值”处于-0。
补充资料:对称元素
分子式:
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性质: 对称动作据以进行的点、线、面等几何元素。对称元素与相应对称动作有严格的对应关系。对称中心与倒反动作对应,是点对称元素。旋转轴与旋转动作对应,是线对称元素。镜面与反映动作对应,是面对称元素。反轴是线与点结合的复合对称元素,与旋转-倒反复合动作对应。螺旋轴与滑移面则分别是与含平移复合动作螺旋旋转与滑移反映对应的几何元素。

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