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- According to the principle of ultrasound detection, this thesis describes a high-speed sampling system for ultrasound emergent wave and echo wave. 摘要根据定量超声波检测原理,阐述了一种针对超声波发射信号和回波信号的高速采集系统。
- The propagation velocity of ultrasound in patient's shinbone can be achieved by figuring out the time span between emergent wave and echo wave. 根据相关公式,只需计算出超声波发射信号和回波信号的时间差,即可获得定量超声波在受试者胫骨的皮质骨中传播速度。
- normal to an emergent wave surface 出射波面法线
- Bill wave his hand to us and then drive away. 比尔向我们挥手告别后开车走了。
- Radio2 can be heard on the long wave band. 第二广播电台可在长波段收听到。
- I am able to pick you up on the short wave radio. 我能用短波收音机收听到你的信号。
- A wave broke across the surface of the pool. 一个波浪从池水表面掠过。
- I was able to pick you up on the short wave radio. 我能用短波收音机收听到你的信号。
- The tidal wave formed a terrifying wall of water. 海啸形成一堵骇人的水墙。
- See if you can wave down a taxi. 你挥手,看看能否让出租车停下。
- The boat was swamped with a huge wave. 一个巨浪淹没了那条船。
- On the smooth wave in trembling beauty sleep. 在微浪的美妙颤抖中缓缓合目。
- She has a natural wave in her hair. 她的头发自然卷曲。
- A huge wave swept over the deck. 一股巨浪从甲板上卷了过去。
- Do you agree to the wave theory of light? 你同意光的波动理论吗?
- Know anything about the third wave? 知道“第三次浪潮”吗?
- Electromagnetic wave travel as light wave do. 电磁波的传播就像光波的传播一样。
- A device used to modulate an electromagnetic wave. 调制器用以调制电磁波的装置
- Emergent light is no longer continuous. 透过的光不再是连续的。
- Bioengineering is an emergent branch of learning. 生物工程是一门新兴的学问。