对不可压缩边界层或平面槽道流，还会出现典型的三维结构。
For incompressible boundary layer or plane channel flow, typical three-dimensional structures would appear.
之后他们压缩减压能产生声波的这种气体。数据表示部分冷凝物的速度超过声速，因此他们制出了声音的黑洞边界。
Their data showed that the speed of part of the condensate exceeded the speed of sound, and they had therefore made an acoustic event horizon.
匈牙利边界被压缩，他们满意吗？
针对地理信息系统地图数据量大的问题，提出了多分辨分析数据压缩和边界处理方法。
For the problem of large amount of GIS map data, the algorithm of data compression by multi-resolution analysis and border processing is presented.
利用多分辨分析的数据压缩作用来提高能量法的效率，利用约束能量法来处理边界约束。
The data compression effect of multiresolution wavelet analysis can improve the efficiency of energy method, and energy method can deal with boundary constraints.
我们设计回应是“重新定义的边缘”，创建一个移动的边界，可以自由拉伸和压缩，而不一定是直接和挑战传统的结构和容器挑战。
Our design response was to "redefine the edge" to create a boundary on the move, in tension and compression, not necessarily straight and challenging the traditions of structure and container.
解压缩时利用边界信号对被丢弃的图像信息进行重建，从而完整地再现原图像。
When the image is decompressed, the lost image information of redundancy blocks can be reconstructed by their boundary signals so as to reproduce the whole image perfectly.
为了画出这个边界，物理学家和数学家利用了类似于艾雪所用的扭曲尺度，将无穷大的距离压缩成有限的长度。
To draw this boundary, physicists and mathematicians use a distorted length scale similar to escher 's, squeezing an infinite distance into a finite one.
系统模型中包含了用集总参数和相移动边界法建立的热交换器动态模型，以及压缩机和膨胀阀的稳态流动模型。
The system model comprises the dynamic heat exchanger model based on the lumped parameter method and moving phase boundary method, and the stable flow models of compressor and expansion valve.
本文数值实验中的一些结果对粘性不可压缩流固壁数值边界条件的处理可能具有一定的普遍意义。
The results obtained from this numerical experiment may be of some universal significance for the treatment of rigid wall boundary conditions of viscous incompressible flow.
在不考虑可压缩性因素时，滑移边界条件的阶数对阻力系数的影响较大，对换热系数的影响不是十分明显。
The order of slip boundary condition shows an apparent influence on the friction coefficient but only a slight influence on the Nusselt number if compressibility is ignored.
结果显示混合边界元方法在这类动边界声辐射问题上，能体现出声音传播的延迟效应，体现出液体压缩性对声压峰值的影响。
The result shows that the delay effect of noise propagation and the effect of the compressibility of liquid on the noise can be obtained.
建立了黏性可压缩流体的控制方程，给出了适合注射成型特点的边界条件及黏度模型，导出了求解压力场的控制方程。
The governing equation of viscous compressible fluid and the boundary conditions for injection molding was formulated, based on which the governing equation about pressure field was derived.
文中还介绍了可压缩平面混合剪切层计算域在不同出口马赫数下的边界条件。
The boundary conditions under different Mach numbers of the outflow are described in detail.
采用线性稳定性理论和多重尺度方法，研究三维可压缩的非平行流边界层稳定性问题。
The compressible linear stability theory and the method of multiple scales are used to study the problem of three dimensional nonparallel flow stability for boundary layers.
建立了简化成二维定常不可压缩流体的离心泵叶片的边界层方程，并对相关量进行了分析。
The boundary layer equations of vanes of centrifugal pump in two-dimensional incompressible fluid are set up and the relevant quantities are analyzed in the paper.
本文介绍了一种求解二维可压缩紊流分离边界层的正反积分方法。
An integral method associated with direct and inverse mode is presented for the calculation of compressible turbulent boundary layer with separations over airfoil.
本文以BL模型为例，通过可压缩湍流边界层的三个典型算例，与直接数值模拟(DNS)的结果作对比。
In this article, bl model is used to study three typical cases of compressible turbulent boundary layer, for which, data from direct numerical simulation (DNS) are available for comparison.
图像的边界延拓我们采取周期延拓或对称延拓方式，图像压缩的数字实验验证了算法的优良性。
We use period extension or symmetry extension in image processing. Our arithmetic has perfect properties that validated by numeric experiments in image compression.
讨论了半空间中满足无渗透边界条件的一维黏性可压缩热传导流体的流动，给出了在小扰动和非等温条件下稀疏波的渐进稳定性。
The asymptotic stability of the rarefaction wave has been established for the impermeable wall problem under small perturbation conditions and non-isothermal conditions.
给出了基于小波的图像压缩编码的基本原理与主要几种小波图像压缩算法，讨论了图像编码中小波基选取、边界处理以及分解级数等几个问题。
The followings are studied in this thesis: principle of wavelet based image coding methods, key problems of wavelet transform in image codec and some main coding algorithms based on wavelet.
通过直接数值模拟的方法，探讨在超音速边界层的转捩问题中，是否存在和不可压缩流情况相似的产生亚谐波的机制。
The spatial evolution of 2-D disturbances in supersonic sharp cone boundary layers was investigated by direct numerical simulation(DNS) in high order compact difference scheme.
通过直接数值模拟的方法，探讨在超音速边界层的转捩问题中，是否存在和不可压缩流情况相似的产生亚谐波的机制。
The spatial evolution of 2-D disturbances in supersonic sharp cone boundary layers was investigated by direct numerical simulation(DNS) in high order compact difference scheme.
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