He suggests using electric motors or shape-memory materials to repeatedly flick the end of a flexible, wedge-shaped wing, creating a wave that ripples backwards and generates forward thrust.
他建议采用电动机或者有形状记忆功能的材料来反复击打软体契形翅膀的末端，让水产生向后的涟漪从而获得向前的推力。
To confirm the utility of continuous wave Doppler echocardiography in assessing pulmonary artery wedge pressure in patients with mitral regurgitation.
目的探讨连续波多普勒超声在评估二尖瓣返流患者的肺动脉楔压中的作用。
Through the conduction theory based on one dimension stress wave theory, the reflection and transmission phenomena of waves on the surface of the wedge have been analyzed.
通过在一维应力波理论建立的传导理论，分析了波在楔型表面的反射和透射现象。
The variation of R wave amplitude has little relation with cardiac output, heart pumping function, especially with pulmonary wedge pressure.
波振幅的改变与心输出量及心脏的泵血功能，尤其是肺动脉楔压之间无明显关系。
Flow field of shock wave passing by right Angle and wedge is analyzed using numerical method and numerical interference technique combining with experimental interferograms.
使用数值计算方法和数值干涉技术并结合实验干涉图片，分析了激波过拐角绕楔形物体运动的流场。
A method is presented for measuring the shear-wave attenuation of solids by using propagation of ultrasonic wave in a wedge block.
介绍了利用劈形楔块作波型变换，达到用纵波探头测量材料横波衰减系数的方法。
The wedge hit the water, sending a two-story-tall wave crashing over 20 boats, drowning 11 fishermen.
滑坡体进入长江支流后激起两层楼高的大浪，摧毁了20余艘船舶，并导致11名渔民丧生。
The wedge hit the water, sending a two-story-tall wave crashing over 20 boats, drowning 11 fishermen.
滑坡体进入长江支流后激起两层楼高的大浪，摧毁了20余艘船舶，并导致11名渔民丧生。
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