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- When did the first measurement of the speed of sound take? 第一次测量声速是在什么时候？
- A distortion of the surface of a document. 文卷表面的一种变形。
- Every paragraph is a distillation of sound judgment. 每段话都是正确判断的结晶。
- She has distortion of the right ankle. 她的右踝部有点变形。
- 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。
- She has some distortion of the skull. 她的颅骨有点变形。
- 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
- Mach two equals twice the speed of sound. 二马赫相当于声速的二倍。
- His distinction of sound is excellent. 他辨别声音的能力很强。
- Our teacher has mutation of sounds suddenly. 我们的老师突然语音发生了变化。
- Wood is a poor conductor of sound. 木头是声音的不良导体。
- The distortion of the left side of his face made him more native. 他那歪歪扭扭的脸却使他比较像本地人。
- 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
- Adjustable shearing angle reduces the distortion of plate material. 上刀架采用内顷结构，便于落料，提高了制件的精度。
- The percentage of sound seed is usually 2-10%. 其健壮的种子通常仅占2-10%25。
- Satan's temptation through lies and distortion of God's word . 撒旦通过谎言;通过曲解上帝的话诱惑人类.
- Characterized by harmony of sound; melodious. 悦耳的声音和谐的；悦耳的
- The distortion of form is a constant in his painting. 曲线型是他绘画的一贯特点。
- The speed of sound in water is about four as great as in air. 声音在水中的速度是空气中的四倍左右
- Air is the common medium of sound. 空气是声音的普通介质。
