Method 2-de M-mode and pulsed Doppler were used to measure left ventricular geometric model mitral valve and pulmonary venous flow index.
方法：采用M -型和二维超声技术测量高血压患者左室几何构型，测量各组二尖瓣、肺静脉血流频谱。
Methods 2-de, M-mode and pulsed Doppler were used to measure left ventricular geometric models, left atrial function and mitral valve flow indices.
方法采用M -型和二维超声技术测量高血压患者左室几何构型，测量各组左房功能及二尖瓣血流频谱指标。
Objective To evaluate left atrial function by 2-de, M-mode and pulsed Doppler echocardiography in different patterns of left ventricular geometric models.
目的联合应用二维、M -型超声心动图与脉冲多普勒技术评价高血压左心室不同构型左房功能改变。
For this reason, a mode of changing the welded structure between the comb - shaped sealing plates and the tubes can be used to eliminate or reduce the structural geometric stress.
对此，可采取改变梳形密封板与管子焊接结构方式，以消除或者降低结构几何应力。
PVDF/PZT piezocomposite consisting of piezoelectric ceramic and polymer was made according the connection mode, volume fraction ratio or geometric distribution mode.
压电复合材料一般是由压电陶瓷和聚合物基体按照一定的连接方式，一定比例和一定的空间几何分布复合而成。
Most researchers directly take an assumption that underlying assets price moving mode is Geometric Brownian Motion, don't ever deeply consider whether it is proper.
然而在具体应用中，大部分学者直接将标的资产的价格设为几何布朗运动，并未进行深入研究。
The SNR of the parallel-collected images is relevant to the geometric shape and the position of the coil and is influenced by the reconstruction method and the sampling mode.
并行采集图像的SNR，不仅与线圈的几何形态和位置有关，还受重建方法及采样模式的影响。
On the basis of researching of the way of calculating mode parameters of transmission line form its geometric parameters, the feasibility of time domain fault location method is validated.
本文研究了如何由直流线路的几何参数计算其模参数的方法，对时域故障测距原理进行了仿真验证。
Several mode shapes are selected to explain the effects oft he piezoelectricity of materials, geometric parameters of shells as well as loading form on instability regions.
选择几种模态为例说明材料的压电性、壳体几何参数和加载形式对不稳定区的影响。
The mode discrimination and loss characteristics of unstable optical resonators with higher Fresnel number are analysed using theories of geometric-optics and interferometer.
采用几何光学和干涉仪理论，分析了较大菲涅尔数情况下，非稳腔内不同波型的区分方法以及它们彼此间的损耗率差异；
The mode discrimination and loss characteristics of unstable optical resonators with higher Fresnel number are analysed using theories of geometric-optics and interferometer.
采用几何光学和干涉仪理论，分析了较大菲涅尔数情况下，非稳腔内不同波型的区分方法以及它们彼此间的损耗率差异；
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