单词:drum vibration amplitude measurement
单词:drum vibration amplitude measurement 相关文章
By Gary Garriott Broadcast: August 11, 2003 This is Bill White with the VOA Special English Development Report. 1)Sawdust is what remains after trees and logs are cut up into boards for building house
Lesson 3 Text A There Is Something Very Nice Inside Your Drum It was Jimmy's birthday, and he was five years old. He got quite a lot of nice birthday presents from his family, and one of them was a be
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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. When we think about how to represent sound visually, most of us probably picture those volume-dependent sine waves. But thats not how John Stuart Reid
President Obama's spending the last two days of his Asia tour in Japan, shoring up trade support at a regional summit after suffering a few setbacks. Earlier at the G20 meeting in Seoul, the president was unable to secure a free trade pact with South
Once in a forest there lived a jackal named Gomaya. He was too lazy to hunt for his food. He often chased away younger jackals who would catch a prey and eat it himself. All the other jackals were upset with him. They all got together and decided to