And the paper analyzes the physical reasons that the supersonic flow of fadw degrades the optical quality . and the structure of free - vortex jet of fadw is studied using the methods of shadowgraph and lsi , respectively 并利用阴影法和剪切干涉法对该窗口的射流流场结构进行了实验观察和测量，对其所涉及的气动光学现象进行了相应的实验测量和分析。
The managing structure is the other functional module of the structure model of the lexical system , and it produces delaminating driving - field structure by virtue of all kinds of sequence - parameters which are used to control the lexical system 管理结构是词汇系统结构模型的另一个功能模块，它以序参量作为积极的调控手段，从而形成了层化的动力场结构。
At the entrance of the rotating curvilinear pipe , both the development of flow structure and temperature distribution depend on f and the characteristic quantities of flow and heat transfer change obviously 在曲线管道的开口端，流场结构的发展过程与f密切相关，开口端各流动特征量变化十分显著。管道的摩擦系数比沿轴向变化与入口类型以及旋转条件密切相关。
The potential vorticity ( pv ) on isobaric and isentropic surface was studied . furthermore , the pv structure of another rainstorm caused by the 9711 typhoon was compared with it and the difference of the two rainstorm was discussed 另外又与1997年第11号台风登陆北上造成山东全省大到暴雨过程的位涡场结构进行了对比分析，讨论了两次暴雨过程位涡场结构的异同。
Basing on the theories of finite element method , analysed computer simulation of high frequency structure in resonator ; 3 . compared effects to resonate frequency and fields caused by coupling slots of buncher in different azimuth ; 4 从有限元理论的角度出发，对计算机仿真计算谐振腔内高频场结构进行了分析探讨； 3比较了调制腔部分耦合缝的位置变化对谐振频率及腔内场的影响； 4
The concepts for the long period oscillation improvement in hwa - lien harbor include destroying the wave field structure of the incident waves , reducing the incident wave energy , and dissipating the energy of long period wave in the harbor 至目前为止，有关花莲港长周期振?多认为集中于?风作用时期，而改善的构想则大致有：破坏入射波的波场结构、削减入射波能、以及消散港内的长波能量。
The results reveal that the flow is mainly controlled by the inflow inertia force at lower rotating speed , and it is essentially controlled by rotating effect at higher rotating speed and by both factors at transition rotating speed 研究结果表明，较低转速下，进气惯性力主要控制流场内部结构，过渡转速下，进气惯性力和旋转效应同时控制流场结构，较高转速下，旋转效应主要控制流场结构。
In this paper , field entropy and schrdinger - cat in the two - photon jaynes - cummings model with atomic motion are studied and the influences of the atomic motion and the field structure on the evolution of the field entropy and the generation of the schrdinger - cat state are examined 文章研究了具有原子运动的双光子j - c模型的场熵和薛定谔猫态,考察了原子运动和场结构对场熵和薛定谔猫态形成的影响。
The mean profiles of reynolds stresses bear prodigious specialty , i . e . the lateral fluctuations at the centerline are inhibjied strongly and the longitudinal ones have the tendency of growing continuously , which is induced by the special symmetrical vorticity field 雷诺应力分布有很大的特殊性，即轴线的横向应力被强烈地抑制，而纵向应力却有不断变大的趋势，这是由于特殊的对称涡量场结构引起的。
( 2 ) to evaluate the effects of a reaction control jet on the aerodynamic performance of a missile operating at supersonic / hypersonic flight condition , the single and two attitude jet - interaction flow between a lateral jet and the external flow has been analyzed by detailed numerical simulation ( 2 )分别计算了单喷流和双喷流干扰流场。详细分析了流场结构和弹体表面压力分布特性，获得了一些有实用价值的结果。
