与这样的人体岩石对抗，瑞典的骑兵攻击波最终只能无功而返。
Against this human rock the waves of Swedish horsemen thundered in vain.
文中证明了，自返平面列阵具有补偿畸变的能力，不是由于产生位相共轭反射波，而是由于自返光线的叠加和自返元件的特性。
It is shown that the compensation for distortion does not result from the production of the phase conjugate reflected waves, but from the interaction of retro-reflective waves.
结果，向水中送回一个返射波，但这是一种稀疏波。
As a result a reflected wave is sent back into the water, but this is a rare faction wave.
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。
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。
To confirm the utility of continuous wave Doppler echocardiography in assessing pulmonary artery wedge pressure in patients with mitral regurgitation.
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