您要查找的是不是：
- Pulse Echo Method (PEM) is a fast,economic and feasible method for Low-strain Dynamic Testing(LDT)of piles. 小应变反射波法是当前在工程桩基检测中应用的动测法之一。
- Pre polarizing and spin echo method are often used in NML tool, and the magnetic field used has been changed from primitive earth magnetic field to man made magnetic field. 核磁测井仪中多采用预极化方式或自旋回波法，所用的磁场已从最初的地磁场演变到现在所用的各种人工磁场，所用的测量方式要与采用的磁场设计相适应。
- Each of such bodies as tunnel lining, road way and road surface floorslab has only one inspection face, and the shock echo method has become a new technique for detecting thickness and defects. 摘要隧道衬砌、路道、路面楼板等只有一个检测面，冲击回波法成为新的厚度及缺陷检测方法。
- Dynamic sonic vibration,pulse echo method,backscatter method,dual transducer methods and ultrasonic spectroscopy analysis were often used for ultrasonic testing. 超声检测方法主要有声振法、脉冲回波法、背散射法、双探头法和超声谱分析法。
- This paper introduces the detecting echo methods for multi-beam sonar.It describes the disadvantage of BDI and WMT detecting methods.So Maximal Amplitude Deter-mining Echo method is presented. 摘要详细论述了多波束测深系统的幅度检测方法，指出了传统的BDI和WMT检测方法的缺点，提出了回波最大强度优先法。
- TWO INSTANCES ABOUT THE LIMITATION OF THE PULSE ECHO METHOD 低应变反射波法试桩局限性的两个实例
- The method seems good but it needs to be tried out. 这个方法似乎不错，但需要试验一下。
- Her performance was cheered to the echo. 她的表演获得长时间的喝采。
- RESEARCH ON THE MEASUREmNT OF CRACK HEIGHT BY ULTRASONIC EDGE PEAK ECHO METHOD 超声端点反射法测量裂纹自身高度的数字处理方法
- 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。
- His words aroused no echo in their hearts. 他的话未能在他们心中引起共鸣。
- I can't claim infallibility for this method. 我不敢说这方法绝对有效。
- Summer fallow is the best method of destroying weeds. 夏季休耕是消灭杂草的最好办法。
- Popularizing this new method is not an easy job. 推广这种新方法不是件容易的工作。
- It prevents the other end from hearing an echo of themselves. 该功能可以防止远端听到他们的回声。
- The daily echo have a readership of over ten millions. 《每日回声报》拥有读者逾一千万人。
- This is not an economical method of heating. 这不是一种经济的取暖方式。
- I have a simple and easy method. 我有个简易的方法。
- I went through by a summary method. 我成功运用了一个简易的方法。
- Her softening voice chimed in beautifully with the echo of the music. 她柔和的嗓音与乐曲的回声美妙地融为一体。
