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- The improved experiment device of interference of sound wave can feel the interference countervail and strengthening of sound in ordinary lab, and measure the sound velocity. 摘要本文给出了改进声波干涉实验装置的具体方案，该改进装置可在普通实验室内感受声音的干涉相消和干涉加强现象，并能测定声速和频率。
- An Improvement of Experiment on Interference of Sound Wave 声波干涉实验的改进
- Two Methods of Experiencing Interference of Sound Wave 两种感受性声波干涉的方法
- When did the first measurement of the speed of sound take? 第一次测量声速是在什么时候？
- Every paragraph is a distillation of sound judgment. 每段话都是正确判断的结晶。
- Airliners in service at present cannot fly faster than the speed of sound. 目前供使用的客运机飞行速度不能超过音速。
- Characterized by high volume and intensity. Used of sound. 大声的以高音量和强烈为特征的。用于声音
- Our teacher has mutation of sounds suddenly. 我们的老师突然语音发生了变化。
- Mach two equals twice the speed of sound. 二马赫相当于声速的二倍。
- Yang interference of double slits, thin film interference. 杨氏双缝干涉。薄膜干涉。
- His distinction of sound is excellent. 他辨别声音的能力很强。
- Press the cupular firmly against the interference of wind. 按紧吸盘以免受到风力的影响。
- Wood is a poor conductor of sound. 木头是声音的不良导体。
- A device for measuring the speed of sound in water. 速度计，速度表用于测量声音在水中的速度的仪器
- The percentage of sound seed is usually 2-10%. 其健壮的种子通常仅占2-10%25。
- Characterized by harmony of sound; melodious. 悦耳的声音和谐的；悦耳的
- Experimental Research on Anti-Electromagnetic Radiation Interference of Sound Level Meter 声级计抗电磁场辐射干扰试验研究
- At the risk of sounding ungrateful, I must refuse your offer. 我甘受拂逆盛情之嫌，也必须谢绝你的提议。
- These colours are caused by what is known as interference of light. 这些颜色是由所谓的光的干涉产生的。
- Air is the common medium of sound. 空气是声音的普通介质。
