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- Reflex and absorption of the sound. 声音的反射和吸收。
- When did the first measurement of the speed of sound take? 第一次测量声速是在什么时候？
- What do your absorption of foreign capital cover? 贵方吸引外资包括哪些范围?
- Every paragraph is a distillation of sound judgment. 每段话都是正确判断的结晶。
- Inhibit or delay the absorption of fat. 抑制或延缓脂肪的吸收。
- 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。
- Holdout Resistance to ink absorption of a paper. 不吸墨性纸张对吸收油墨的阻力。
- 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
- Holdout: Resistance to ink absorption of a paper. 不吸墨性:纸张对吸收油墨的阻力。
- Helps in the absorption of nutrients. 吸收养分的介体。
- Mach two equals twice the speed of sound. 二马赫相当于声速的二倍。
- Food will slow down the absorption of alcohol. 食物会减缓对酒精的吸收。
- His distinction of sound is excellent. 他辨别声音的能力很强。
- The absorption of photons by atoms or molecules. 光子被原子或分子吸收。
- Our teacher has mutation of sounds suddenly. 我们的老师突然语音发生了变化。
- Less absorption of dyestuff,clear in color. 染色剂吸收量小;频色清晰.
- 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 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
