百度试题 结果1 题目Sound is produced by the vibration of an object.相关知识点: 试题来源: 解析 正确 反馈 收藏
of us to take a cup and walk away from each other in order to make the rope straight.First,I spoke into the cup.I said,"Billy,can you hear me?"He said (5) C,"I can really hear you clearly.I can almost feel the sound vibration coming down the rope!"The ex...
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Sound is produced by [A] vibrations of an object passing through the air. [B] spreading of waves after a rock being tossed into a pond. [C] thunders. [D] a flying plane. 温馨提示:一定要认真审题,用心答题!正确答案 点击免费查看答案 试题上传试题纠错TAGS...
Sound is produced by the vibration of an object.参考答案:对 点击查看答案进入小程序搜题你可能喜欢A. B. C. D. 点击查看答案进入小程序搜题 试题正文扣件式钢管脚手架按承载能力可分为 点击查看答案进入小程序搜题 以下药物的质量控制方法中,不依据药物还原性者为( ) A. 碘量法测定维生素C的含量 B....
Kazoo has a simple structure. The flute is big at one end and small at the other. When playing, you should hold the big head in your mouth without blowing, but hum a tune with your throat. The vibration of the...
aSecurities companies as key participants in the securities market, has long been in the brokerage business as their main source of income, in most years in the brokerage business are the main sources of revenue securities companies, securities company dominates the business, plays a key role in...
The Journal of Sound and Vibration (JSV) is an independent journal devoted to the prompt publication of original papers, both theoretical and...M.P. Cartmell
Sound is a vibration or a series of vibrations that move through the air. Anything that creates the vibrations, or waves, is referred to as the source. The source can be a string, a bell, a voice, or anything that generates a vibration within our hear- ing range. Imagine dropping a ...