您要查找的是不是：
- slow echo wave 慢回波
- 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。
- Simulation of Landform's Echo Wave Based on DEM 基于DEM的雷达地杂波仿真
- The paper briefly investigates the ultrasonic testing of hydrogen-induced cracking (HIC) for in-service LPG tanks , and analyses types of echo waves of the cracking. 简要地探讨液化石油气贮罐母材中氢致分层类缺陷的超声波检测,对检测的几种超声波反射波形进行了分析,并给出了确定缺陷边界和深度范围的方法。
- The Molde YB-GT-3 Automatic Can Vacuum Sorter based thereon, with a probe detecting echo waves cyclically proves to be of high sentivity and reliability, competent to check and sort the majority of various cans for low vacuums. 应用这个方法制成的YB-GT-3型罐头真空度自动分选机适合国情,灵敏可靠,能对大部分品种的罐头进行低真空度的自动分选。
- The Echo Wave and Its Transmit Character in Traffic Flow 交通流中的回波及其传播特征
- Analysis to fault of 354 warning radar without echo wave 354型警戒雷达无回波故障剖析
- Relations were slow to normalize after the war. 战后国际正常关系恢复缓慢。
- The beats of the drum were steady and slow. 鼓声平稳而缓慢。
- The slow steady roll of the ship made him sick. 轮船不停地缓慢摇晃使他感到不适。
- A slow theme introduces the first movement. 第一乐章以缓慢的主旋律开始。
- Its slow service gave the restaurant a bad name. 这家餐馆因缺乏效率的服务搞得名声很坏。
- Her performance was cheered to the echo. 她的表演获得长时间的喝采。
- She may be slow but at least she's reliable. 她迟钝是迟钝，但无论如何她很可靠。
- The little boy is slow in his wits. 这个小男孩弱智。
- This student is slow in learning English. 这个学生学英语很笨。
- The bird-song is the echo of the morning light back from the earth. 鸟的歌声是曙光从大地反响过去的回声。
- Bill wave his hand to us and then drive away. 比尔向我们挥手告别后开车走了。
- He is slow to learn, but shows great perseverance. 他学得慢，但是他表现出不屈不挠的毅力。
