查询词典 isotropic

G. Lekhnitskii and the Hankel integral transformation are used, And thereby a solution of the Stress field and displacement field of an embedded penny-shaped crack lying in a transverely isotropic plane under the action of the uniform tension stress at the far end perpendicular to the crack surface is obtained.

本文利用对于横观各向同性体轴对称变形时应力函数解法的基本方程，并应用Hankel积分变换，求解了位于横观各向同性平面内的埋藏圆片裂纹在垂直于裂纹面远处均匀拉应力作用下的应力场和位移场，获得了与各向同性材料相同的应力强度因子，不同于各向同性材料的应力场和应变能释放率裂。

By use of Fourier transforms or sine series ,the harmonic vibrations of the beams on the transversely isotropic saturated poro-semiplane were investigated.

利用Fourier变换或正弦级数，研究了该介质上梁的简谐振动问题，将原先极为复杂的问题转化为数值积分问题。

The present paper is a further development, after the Great Proletarian Cultural Revolution, of our point of view that the element of homogeneous isotropic turbulence is a small axially symmetrical vortex.

本文是在无产阶级文化大革命后，对我们的均匀各向同性湍流的湍流元是小的轴对称涡旋的观点所作的进一步的发展。

The present paper is a further development, after the Great Proletarian Cultural Revolution, of our point of view that the element of homogeneous isotropic turbu-lence is a small axially symmetrical vortex.

本文是在无产阶级文化大革命后，对我们的均匀各向同性湍流的湍流元是小的轴对称涡旋的观点所作的进一步的发展。

This paper deals with the problem of nonlinear inversion of the SH wave equation in a homogeneous isotropic elastic half space with both transmitters and receivers in the bore hole.

讨论了均匀各向同性弹性半空间SH波动方程的非线性反演问题。

That the scales in the universe, at any time, three-dimensional space is homogeneous and isotropic.

认为在宇宙尺度上，任何时刻，三维空间是均匀的和各向同性的。

Complete cosmological principle is to further promote the cosmological principle that not only the three-dimensional space is homogeneous and isotropic, and the entire universe at different times are identical.

完全宇宙学原理是宇宙学原理的进一步推广，即不仅三维空间是均匀的和各向同性的，整个宇宙在不同时刻也是完全相同的。

Each layer is assumed to be made of homogeneous and isotropic elastic material.

研究了多层介质中的热弹性位移和应力。

First of all, the report introduced evolution, achievments and problems in the study of anisotropy in the inner of earth. The first-order hyperbolic system of equations is work out, which is used to describe the wave motion in 2D transversely isotropic media. Utilizing the characteristics of free-divergence, We have imposed MacCormack theme that is used to simulate multicomponent records in anisotropic media and have developed a fast high order vectorized finite-difference algorithm adapted for the vector supercomputer.

本文首先阐述了地球内部介质各向异性研究的沿革、成就和问题，接着给出了描述二维横向各向同性介质中波动的一阶双曲型方程，利用其自由发散特性，构制了各向异性介质中多波多分量地震记录数值模拟的MacCormack算式，导出了适用于并行计算的二维横向各向同性介质中波动的有限差分模拟算子，该算子具有可并行化计算、相位差小等优点。

When the actuated joint was rotary actuation, kinematic Jacobian matrix of the manipulator was a diagonal matrix. So it was an uncoupled mechanism. As the actuated joint was linear one, Jacobian matrix of the manipulator was an identity 3×3 matrix and its determinant was equal to one. Manipulator, therefore, was singularity-free fully-isotropic throughout the entire workspace.

当以转动输入为主驱动时，运动雅可比矩阵为3×3阶对角阵，故机构为无耦合并联机构；当以移动为主驱动时，雅可比矩阵为3×3阶单位阵，且其行列式的值为1，所以在整个工作空间内机构表现为无奇异完全各向同性。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。