principal direction

美 [ˈprɪnsəpl dəˈrekʃn]英 [ˈprɪnsəpl dəˈrekʃn]
  • 主要方向;主(方)向
principal directionprincipal direction
  1. A Method of Determining the Principal Direction According to the Shear Stress Direction

    判别主方向的剪应力指向判别法

  2. Composite strain gages for measuring dynamic stress in one principal direction

    测量一个主应力方向动应力的组合应变计

  3. Rotational surface extraction based on principal direction Gaussian image from point cloud

    基于主方向高斯映射的旋转面特征提取

  4. The Study of Earthquake Input Principal Direction for Irregular Bridges

    不规则桥梁地震动输入主方向的研究

  5. Precision estimation of principal direction is more objective by using principal stress deflection error proposed in this paper .

    提出了主应力的偏角误差概念及其计算方法,使主应力方向的精度评定更加真实客观。

  6. The conception of principal direction Gaussian image ( PDGI ) is created .

    提出了基于主方向高斯映射的概念和定义。

  7. The method of determining earthquake input principal direction are studied , which is used for seismic analysis of irregular bridges .

    讨论了不规则桥梁地震反应分析中地震动输入主方向的问题。

  8. The Relation between the Principal Direction on a Point of the Surface and the Principal Direction of the Quadric Curve

    曲面上一点的主方向与二次曲线的主方向的关系

  9. The shading indicates the direction of some grain or fibers , i.e. a principal direction of elasticity .

    阴影部分表示一些木纹或纤维的方向,即弹性的一个主方向。

  10. In the seismic analysis , the earthquake input principal direction for regular bridge having two clear principal directions is the bridge direction .

    直线桥梁有两个比较明确的主方向,在其抗震分析时,一般沿这两个方向分别输入地震反应谱计算。

  11. The principal direction of small-scale movement is from a shale or clay to a sandstone or other permeable bed .

    小范围运动主要从页岩或粘土岩向砂岩或其他渗透性地层中运动。

  12. In this paper the methods of analysis of the principal direction of the displacement and polorization filtration are used for recognition of the PS converted waves .

    本文介绍将位移主方向分析法和偏振滤波法应用于PS转换波震相的分析。

  13. In the Southern East China Sea the principal direction of wind is about E-W direction , which intersects the coast line of this area by 60 ° .

    东海南部沿岸水位的低频变化同E-W向风有关,这一方向同该海域的岸线约有60°的交角。

  14. With the process of curriculum reform at this stage , the function teaching has also been taking place a significant change , and its principal direction is toward a more scientific , more detailed development .

    现阶段正处于课程改革进程中,函数教学也正在发生着较大的变化,其主体方向是朝着更加科学、更加细致发展。

  15. This paper discusses the problems of perspective affine correspondence in basic concept , establishing condition , special property , principal direction and graph of circle perspective affine correspondence ( ellipse ) .

    本文阐述了透视仿射对应法的基本概念,确立的条件、性质、主方向及圆的透视仿射对应图形椭圆等方面问题。列举了利用此法解画法几何中线面的交点;

  16. In the graphical method of the oblique axonometry , the affine transformation is taken as the ellipse 's principal direction and the size of the principal radius .

    在斜轴测的图解法中,用仿射变换作椭圆的主方向和主半径大小。

  17. The mechanical models of material microstructures are constructed , applying probabilistic arithmetic geometry algorithm to shape their morphology and Monte Carlo technique to determine the elastic principal direction of each crystal grain .

    为构造材料微结构的力学计算模型,本文采用概率计算几何方法生成其几何网络,应用MonteCarlo技术投放各晶粒的材料主轴方向。

  18. From geometry point of view , the actin filaments aligned in parallel to the principal direction of the elongated ASMCs are the primary structures contributing to the generation of contraction .

    从几何观点来看,纤维状肌动蛋白平行于气道平滑肌细胞的主轴排列,是产生收缩力的主要结构形式。

  19. Combined with the restriction of the principal direction constraint , the geological constraint and the pseudo-well constraint , that the basin of simulations with the river deposition of layer picture tally better .

    在主方向和地质约束或伪井约束限制下,模拟河道的流域与小层沉积相图中的河道沉积能够较好的吻合。

  20. ? The knowedge - based economy development can 't be out of the library knowledge services which is the new development of library services in the knowledge - based economy era and the principal direction by preserving , organizing and propagation .

    知识经济的发展离不开图书馆知识服务,知识服务是图书馆服务在知识经济时代新的发展。

  21. In this paper , the authors found out the principal direction of initial stresses with the method of geomechanics and stereography and measured the magnitude of initial stresses by acoustic emission Kaiser effect test in laboratory .

    论述了用赤平投影地质力学方法分析确定地应力的主方向,用Kaiser效应测量地应力大小。

  22. For short chromosomes the method determines the medial axis by using the shape features and band information , determining the principal direction by chain codes , and taking the minimum covariance of band to medial axis as a criterion .

    而对短染色体,则充分利用短染色体的形状特征和内部带纹信息,由方向链码确定宏观走向,以带纹相对于中轴的方差最小为判据来确定中轴。

  23. The nonlinear constitutive equations based on Hahn-Tsai and Jones-Nelson model is established by the use of uniaxial test results in principal direction of glass / epoxy composites . The nonlinear analysis under biaxial loading is also made in this paper .

    本文用玻璃纤雄/环氧复合材料主轴方向上的简单实验结果,建立了基于Hahn&Tsai模型和Jones-Nelson模型的非线性本构方程,并进行了双轴非线性分析。

  24. Let M be a isoparametric hypersurface in CH n , e is a unit normal vector , when J ( e ) is a principal direction , this paper proves that the number of distinct principal curvatures of M can be only 2 or 3 ;

    M是CHn中的等参超曲面,e是M上的单位法向量场,当J(e)是主向量时,证明了M的不同主曲率数只能是2或3;

  25. Application of Laser Electrooptic Modulator Method in Measurement Principal Stress Direction

    激光电光调制法在测定主应力方向中的应用

  26. The criterion for judging principal stress direction and principal shear stress direction

    判断主应力和主剪应力方位的法则

  27. Identification Method of Shearing Stress of Maximal Principal Stress Direction in Plane Stress Problems

    平面应力状态最大主应力方向的剪应力判别法

  28. The maximUm difference of failure strength among various principal stress direction is up to 30 % .

    不同主应力方向的破坏强度最大差别可达30%。

  29. In the article , a simple method is discussed to confirm the principal Stress direction un-den the plane stress condition .

    文章给出了一种判断平面应力状态主应力方向的简便方法。

  30. Diversity of Allergen Testing in Different Allergic Diseases in Children Experimental study of stress-strain properties of intact soft clay considering the change of principal stress direction

    变应原测定在南京地区儿童不同变态反应性疾病中的差异性研究考虑主应力方向变化的原状软黏土应力应变性状试验研究