本研究应用彩色多普勒血流会聚新方法评价了对二尖瓣狭窄的定量诊断，并与二维超声、压力降半时间及综合法测量二尖瓣狭窄进行了比较。
The quantification of mitral stenosis by using a new color Doppler flow convergence method was evaluated, and compared with two -dimensional echocardiography, pressure half- time and combined method.
方法分别应用二维法（2D法）、多普勒压力减半时间法（PHT法）及实时三维容积法（RT3DE）检测18例行PBMV患者手术前后MVA。
Methods MVA was estimated in 18 patients before and after PBMV, using two-dimensional echocardiography(2DE), Doppler pressure half-time(PHT) and volumetric RT3DE.
采用平面和对数螺旋滑裂面的单滑块机制，对典型的二维土压力问题进行分析，其结果说明该方法的有效性。
For single block mechanism, such as plane and log-spiral slip surface, the validity of this method has been verified by a typical two-dimensional example.
以此方法模拟了喷管和二维叶栅的多个非平衡态凝结流动，计算和试验测量的压力分布较好地吻合。
The nucleating flows in nozzles and cascades are simulated by this method and good agreement is obtained between experiment and calculation.
本文把不完全乔利斯基——共轭斜量解法用于求解二维二相模型的压力方程。
An incomplete Cholesky-conjugate gradient method is used to solve the pressure equation of two phase bi-dimension model.
本文讨论具有任意对称形状的二维物体的振荡和冲击压力的计算。
The computation of oscillatory pressure and impact pressure for two-dimensional bodies with arbitrary shapes is described.
给出了基于非结构化网格数值求解二维粘性湍流分离流场的压力修正算法。
A pressure correction algorithm was taken out to solve 2d viscous turbulent flow field.
以静压气浮导轨为研究对象，对导轨气浮块底部气体压力的二维分布规律及影响摩擦力的因素进行了理论分析。
Aimed at aerostatic guideway, a two dimensional distribution of air pressure and effect factor on the friction force were analyzed under high speed working conditions.
这是一个压力检查二维模拟！
本文采用数值方法模拟了一个三孔探头周围与测压孔内的二维可压缩非定常流场，研究了动态效应对探头绕流和测孔压力的影响，以及相应的测量误差。
The 2D unsteady flow fields around a 3-hole probe head and in its pressureholes have been numerically simulated in order to investigate the dynamic effects on the probe measurement errors.
在水压技术理论研究方面，应用流固耦合理论对水压齿轮泵进行了二维流场的仿真分析，得出了其流场压力云图和速度矢量图。
In the research of water hydraulic technology, flow field simulation is done by the method of Fluid-Solid coupling, leading to the pressure nephogram and velocity vector of the pump model.
该模型可计算喷流穿透高度、分离区长度、二维分离区边界、分离区平台压力系数，并可对分离特性进行三维修正。
The jet penetration height, the separation distance, the separation boundary and the pressure coefficient within the separation region are estimated, and the 3-D correction is also adopted.
对脉冲喷嘴腔内流场进行了二维非定常数值模拟，通过对腔内压力和流场的分析，验证了上述结论；
The 2D unsteady simulation of the nozzle chamber has been done and the analyses prove the early results.
计算了二维轴对称气穴流场的速度、压力及气体体积比分布。
The velocity vector distribution, pressure distribution and contours of volume fraction of air were predicted for an axisymmetric case.
本方法的思路可推广到二维和三维合成振动和力的叠加、压力差等各种力学参量及其他形式相对参量的测量。
The principle of this method may also be extended to the measurement of various mechanical quantities such as two or three-dime…
本方法的思路可推广到二维和三维合成振动和力的叠加、压力差等各种力学参量及其他形式相对参量的测量。
The principle of this method may also be extended to the measurement of various mechanical quantities such as two or three-dime…
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