各向异性

This thesis first proposes the thought of designing the vibration body with anisotropic composite, develops a sample linear Ultrasonic Motor, and studies its actuating mechanism, resonant frequency, speed, and driving force theoretically and experimentally.

本文首次提出了利用各向异性复合材料作为振动体的设计思想，完成了相应的超声直线电机的样机研制，并对其致动机理、固有频率、速度、驱动力等作了深入理论和实验研究。

A model of thorax consisting of skaletal muscle layers with differently osientating muscular fibers and the effect of the anisotropic conductivity ont he body surface protential were discussed.

讨论了骨骼肌肉层在不同的肌肉纤维方向组合下的胸腔模型，以及纤维的各向异性导电性对体表电位图的影响

It points out that it is no more application of the basic solution of elastic problems in the misalignment of material main axis and coordinate axis to orthogonal anisotropic body and puts forward the coordinate translation methods to solve the problems of the misalignment of material main axis and coordinate axis by using Boundary Element Method to solve the problem.

指出了对于正交各向异性体，当材料主轴与坐标轴不重合时，关于弹性问题的基本解不再适用，为了解决这一问题，特提出坐标转换的方法，以求应用边界元法解决材料主轴与坐标轴不一致的问题。

Regard the rolled concrete dam as an anisotropic elasticity body,the elasticity variation of dam foundation and its influence on dam are considered simultaneously with different vertical and horizontal elasticities.

摘 要：将碾压混凝土坝视为具有各向异性弹性特性的均质体，通过在垂直于层面的竖向和平行于层面的横向采用不同弹模来考虑层面对坝体应力影响；同时考虑了坝基弹性的变化对坝体应力影响。

Based on the complex potential method about the plane theory of the elasticity of an anisotropic body,stress distributions in the plate with multiple cracks are obtained by using the conformal mapping and the Faber series expansion.

采用各向异性体平面弹性理论中的复势方法，应用保角映射技术和F aber级数展开，导出在任意载荷作用下多裂纹板应力场的级数解，引入当量屈服应力修正裂尖塑性区，并利用Sw ift韧带屈服准则建立含共线分布多裂纹结构的剩余强度分析模型，计算结果与试验结果吻合较好。

Based on the complex potential method about the plane theory of the elasticity of an anisotropic body, stress distributions in the plate with multiple cracks are obtained by using the conformal mapping and the Faber series expansion. The equivalence yield stress considers the effect on plastic zones. The Swift strip yield criteria is used to predict the residual strength of plate containing multiple collinear cracks.

采用各向异性体平面弹性理论中的复势方法，应用保角映射技术和Faber级数展开，导出在任意载荷作用下多裂纹板应力场的级数解，引入当量屈服应力修正裂尖塑性区，并利用Swift韧带屈服准则建立含共线分布多裂纹结构的剩余强度分析模型，计算结果与试验结果吻合较好。

A new method to express the strength condition of the anisotropic soil is proposed.

对各向异性土体的强度条件研究建立一种新的表述方法。

A new anisotropic diffusion filtering method which is based on this framework is proposed in this paper.

所以，基于图像特征方向建立的各向异性扩散滤波方法更能达到我们预期的效果，该设计方法是有效的。

In most cases, more than one stratum is present, and conditions are nonhomogeneous and anisotropic.

在大部分时候，岩土都不止一层，而且是非均质和各向异性的。

An improved method based on anisotropic diffusion equation was proposed.

提出了一种基于各向异性扩散方程的改进方法。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。