各向异性的

The wave velocity ratio vertical to the stratum of the rock samples is usually less than that in parallel direction, and the relative increment of wave velocity ratio between the vertical direction and the parallel direction decreases as the wave velocity ratio in vertical direction gradually increases.

波速比的各向异性特征主要表现为垂直层理方向上的波速比普遍小于平行层理方向，且两方向波速比的相对增量还随着垂直层理方向上的波速比的增大而逐步减小。

As one of key problems urgent to be resolved in the fields of mechanics, material science and sheet metal forming, constructing reasonable yield criterion, work-hardening law and stress-strain relationship is very important for predicting distribution of stress and strain in sheet metal forming, as well as for improving FEA simulation precision and resolving engineering problems.

各向异性板料的屈服准则、塑性变形强化规律以及应力应变关系的合理建立，对于准确预测板料成形过程中应力应变分布，提高板料成形有限元模拟精度，以及精确解析板料成形工程问题等方面具有重要的意义，这一基础性的研究一直是力学界、材料界、板料成形领域致力研究的关键问题。

This work gives the general solution for the generalized two-dimensional problem of piezoelectric media, and then presented the solution for the corresponding plane problem as a special example. Moreover, a detailed discussion is made about the relation between two theories.

本文推导了一般各向异性压电介质广义二维问题的 Lekhnitskii 理论，作为其特例，给出了压电介质平面问题的解法；并系统地总结了所建立的 Lekhnitskii 理论与 Stroh 理论的内在联系及各自的特点。

In various embodiments, improved mechanisms for controlling texture sampling are provided that enable 3-D accelerator hardware to greatly increase the level of realism in rendering, including improved mechanisms for (1) motion blur;(2) generating anisotropic surface reflections (3) generating surface self-shadowing (4) ray-cast volumetric sampling (4) self-shadowed volumetric rendering and (5) self-shadowed volumetric ray-casting.

在各个实施例中，提供了用于控制纹理采样的改进的机制，它们能使3-D加速器硬件大大地提高呈现时的逼真度，包括针对下列各项的改进的机制：(1)运动模糊；(2)生成各向异性表面反射；(3)生成表面自投阴影；(4)光线投射容量采样；(4)自投阴影容量呈现和(5)自投阴影容量光线投射。

Support for all modern per-pixel lighting and rendering techniques including normal mapped, parameterized Phong lighting; custom artist controlled per material lighting models including anisotropic effects; virtual displacement mapping; light attenuation functions; pre-computed shadow masks; directional light maps; and pre-computed bump-granularity self-shadowing using spherical harmonic maps.

支持现今所有的像素级光渲染技术比如法线贴图，参数级光照，艺术家自定义的材质光模型分属性管理，包含了各向异性过滤，虚拟置换贴图，光衰减功能，预计算的光影蒙版，指向性光影贴图和预计算的使用球型协调贴图技术的颗粒状自我阴影。

Owing to inborn high temperature and high pressure gas after blasting and complexity of dynamic principal relationship and interact ional complexity between dynamite and rock and non-equal character and anisotropies of rock, the rock blasting mechanism research is quite complex.

该过程由于炸药爆炸后生成的高温、高压气体产物和岩石动态本构关系的复杂性，炸药与岩石之间相互作用的复杂性，以及岩石本身的非均质性和各向异性等使得岩石爆破机理的研究显得十分复杂和困难。

The results demonstrate that mixing bubble to pure jets makes the profile of water elevation flatting, the velocity distribution of centerline rising and the fluctuation of velocity near surface fluctuating. The fluctuation of the centerline velocity lack of self-preserve and the whole flow field represents the characteristics of anisotropies.

对比纯射流情况，掺气射流中掺气使得射流中线附近的流速增大；对流场紊动量的分析表明，掺气使射流中心处水面的紊动加剧，掺气射流的紊动强度在射流的中垂线上不具有自相似性，射流在流场中表现为各向异性。

Layers and structures on the isotropically migrated profiles are mispositioned compared to the original models. So in order to avoid imaging errors, we should develop anisotropic migration methods.

偏移结果表明，在各向同性偏移剖面上，层位和构造的成像不够清晰准确，它们的纵向深度和厚度以及横向上的位置跟真实模型都有一定的偏差，这说明了发展各向异性偏移方法对精细勘探的重要性。

From the evolutions of thermal parameter of temperature factor,we have discussed relations between thermal parameter and the rotationally ellipsoid.

详细分析了晶体各向异性温度因子的求解过程和它的几种数学表达形式，从它的热参数的演化，讨论了它和三轴旋转椭球体的数学关

Based on these results, we analyzed seismic activity along subsurface faults and within crust, lateral variations of velocity anomalies at different depths and their relations with geological tectonics, crustal anisotropy of the mantle anomalous area beneath the west Tien Shan and possible dynamic mechanism.

以此为基础，我们分析了浅表层断裂和地壳深部的构造活动、不同深度速度异常的横向变化与重要地质构造的关系、天山西部地幔异常区地壳深部的各向异性特征和可能的深部动力机制等。

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。