An expansion wave in accelerating flow broadens.
膨胀波在加速流中变宽。
NPLS images at high spatiotemporal resolution reveal shockwave, expansion wave, boundary layer and wake in the flow.
高时空分辨率的NPLS图像再现了激波、膨胀波、边界层及尾迹等流场结构。
At the point where the last expansion wave in the series intersects the wall, the wall pressure is near the ambient value.
在点，最后膨胀波在一系列交叉的墙，墙的压力是附近的空气中的价值。
A mechanical model of choking flow in the expansion valve was presented, which is based on the expansion wave and gas dynamics discontinuities theories.
通过亚稳态液体闪蒸形成的蒸发波以及气体动力学非连续理论，建立了电子膨胀阀壅塞机理模型。
In addition, the wake interaction of upstream blade row and the expansion wave at rotor exit also cause an unsteady force acting on the downstream rotor blade surface.
此外上游静子尾迹以及动叶尾缘出口膨胀波等也是产生转子叶片表面非定常力的因素。
The initial rapid expansion of the fireball severely compresses the surrounding atmosphere, producing a powerful blast wave.
火球最初的迅速膨胀剧烈地压缩着周围的大气，产生了威力巨大的冲击波。
Correlating detonation wave propagation with the conjugate pairs appearing in micro-explosion and annihilating in expansion, the conjugate detonation model is established.
共轭对在微爆炸中产生并在膨胀中湮没，将此过程与爆轰波传播相关联，建立了共轭爆轰模型。
First the initial wave function is decomposed into an expansion of the Hamiltonian eigenfunctions.
首先，此起始波函数被分解代入汉米尔顿特征函数的扩展式中。
The expansion of the downward main wave scope and the left axis deviation proved to have the same cause.
引起主波向下范围扩大与导致电轴左偏的病因基本相同。
First major wave of expansion. Product and service offering are extended, internationalization group is promoted.
第一波扩展浪潮。扩大了生产及服务部门，形成了国际化集团。
Wave attenuation properties of rectangular pontoon breakwater were analyzed with eigen - function expansion.
利用特征函数法对矩形浮箱式防浪堤的消浪性能进行分析。
This paper is to investigate the relationship between atrial expansion and P wave dispersion.
目的探讨心房扩大与P波离散度的关系。
We have investigated the guide modes in two kinds of two_dimensional photonic crystal heterostructures by using the plane wave expansion method combined with the supercell technique.
利用平面波展开方法与超原胞方法研究了两种不同晶格的光子晶体异质结的界面态。
Owing to the expansion of the universe, an observer today would expect to find these remnants to have undergone a red shift to long wave lengths.
由于宇宙的膨胀，今天的观察者可望找到这些向长波红移了的残余物。
Based on the previous work, two expansion formulas of fully symmetric wave function for describing three bosons in different orbits are obtained, which can be used to calculate the nuclear specturm.
在前人已有成果的基础上，给出了三玻色子在不同轨道上时全对称波函数的非对称展开式，这种展开式可直接用于核潜的计算。
An analytical series solution for dynamic stress concentration of lined cavities in a half space under incident plane SV waves was given by using wave function expansion method.
采用波函数展开法给出了半空间中衬砌洞室群在平面SV波入射下动应力集中问题的一个级数解析解。
Sommerfeld's wave expansion theory demonstrates that a spherical wave can be expanded as the superposition of plane simple harmonic waves.
索末菲关于波的展开理论证明，球面波可以展开为平面简谐波的叠加。
The dangerous position are adjacent the centre of the outside and external circular arc surfaces of wave-valley or of external circular arc surfaces of wave-hump at the expansion joint.
再沸器膨胀节的危险截面在波谷、波峰圆弧中点附近，危险点在波谷圆弧中点附近内、外表面和波峰圆弧中点附近内表面处。
The effect of hole size on nonlinearity and dispersion of the photonic crystal fiber(PCF) is analyzed by the plane wave expansion method.
采用平面波展开法，研究了气孔尺寸对光子晶体光纤色散特性和非线性的影响。
To obtain desired wave characteristics of composite laminate, the varying rate of eigenvalue with respect to the thickness change is approximated by the second order Taylor expansion.
采用一种特征值反求形式的方法用来近似层状复合板的波动特性修改。
This paper proposes a novel method to obtain a simple analytical solution to extrapolation problem for band-limited signals, which is much easier than prolate spherical wave function expansion method.
本文给出能量有限带限信号外推问题新的解析解，它比长球波函数展开法更为简单。
A function expansion method as in Liu et al (2007) is used to formulate the mat-type VLFS floating on the wave surface over uneven sea bottom.
采用作者们（2007）提出的函数展开法描述箱式超大型浮体漂浮在不平底部海域中的水弹性响应问题。
Group theory is introduced into the calculation of photonic band gap with the plane wave expansion method, and improved calculation formulae are derived.
介绍群论在光子晶体带隙平面波展开法计算中的应用，推导了改进后的算法公式。
The set up of "20 nations" mechanism between Russia and NATO didn't stop the second wave of NATO's Eastward Expansion, the US-led NATO still holds a core position in the European security pattern.
俄罗斯与北约“20国”机制建立没有阻止北约第二轮东扩的步伐，美国主导的北约在欧洲安全格局中仍居核心位置。
By using the plane wave expansion and finite-different time-domain (FDTD) methods, we can find a larger absolute band gap in the low and high frequency.
通过运用平面波展开方法以及有限差分时域(FDTD)方法进行分析，可以明显地发现，在低频和高频区域增大了光子晶体的光子禁带。
The exact solutions to dispersive long-wave equations are obtained by a polynomial expansion method based on the idea of the homogeneous balance method.
基于齐次平衡法的思想，利用多项式展开法解得了具有色散项的长波方程组的精确解。
The phenomenon of ionization interference is studied with partial-wave expansion method through the particle population of the ionized state.
应用分波展开法，通过电离态上的粒子布居，研究了电离相干现象。
The different effects of shock wave, gas expansion pressure, reflected extension wave are put forward.
提出了冲击该、气体膨胀压和反射拉伸波在破岩过程中各自所起的不同作用。
The traditional method of calculation for the acceptance parameters by Taylor expansion in three wave interactions is only suitable for the condition of small acceptance parameters.
采用传统级数展开方法计算晶体非线性三波互作用的允许参量。
The traditional method of calculation for the acceptance parameters by Taylor expansion in three wave interactions is only suitable for the condition of small acceptance parameters.
采用传统级数展开方法计算晶体非线性三波互作用的允许参量。
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