查询词典 speed of sound

All airplanes will travel faster than the speed of sound.

所有飞机的速度都会超过声音的速度。

You would need to travel at about 64 times the speed of sound to reach there in 15 minutes.

如果你以64倍音速旅行，到达那里也要15分钟。

At the speed of sound, all the rules change.

而在音速飞行中，所有这些原则都将发生改变。

The speed of sound increases slightly with a rise in temperature and falls with a decrease in temperature .

温度的升高或降低对声音传播速度的变化并不产生明显的影响。

The frequency, wave length, and speed of sound are closely related.

频率，波长和声速三方面是密切相关的。

He calculated that they had to be moving fasterthan the speed of sound.

他估计这些物体正在以超音速的速度移动。

It is more than 40 times the speed of sound into the Earth's surface.

它以超过40倍音速的速度冲向地球表面。

When did the first measurement of the speed of sound take?

第一次测量声速是在什么时候？

Objective To study the relationship between bone markers and bone speed of sound in women of different ages.

目的 观察绝经前后不同年龄妇女的骨超声声速和骨代谢生化指标的变化情况及相互关系。

The frequency, wavelength, and speed of sound are closely related.

声音的频率，波长，以及传播速度等因素之间是相互联系的。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。