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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？
- Every paragraph is a distillation of sound judgment. 每段话都是正确判断的结晶。
- The radiation of the star could not be regulated. 恒星的辐射将是无法节制的。
- 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。
- Radiation of pain into the buttock or thigh. 疼痛放射至臀部或大腿。
- 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
- Is there any radiation of the pain to the back? 这里的痛扩散到背部吗?
- Electromagnetic radiation of any wavelength. 光任何波长的电磁辐射
- 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。
- The stars are radiators of vast power. 恒星是巨大能量的辐射体。
- 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。
- The radiation of heat and light from a burning body. 从一个燃烧物发出的热和光。
- Characterized by harmony of sound; melodious. 悦耳的声音和谐的；悦耳的
- ANALYSIS OF SOUND RADIATION OF ELASTIC RECTANGULAR ENCLOSURE WITH CONSIDERING BOUNDARY CONDITIONS 考虑边界条件的弹性长方体封闭结构腔辐射声场分析
- 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。
