1.
Blow up Criteria、Persistence Properties and Infinite Propagation Speed of Solutions to the DGH Equation
DGH方程解的爆破现象、持续性及无穷传播速度
2.
Study on propagation velocity of stress wave and ultrasonic wave transmitting on indefectible cross section of standing trees
立木无缺陷断面应力波与超声波传播速度比较
3.
According to certain research, the spread velocity of sound waves has nothing to do with the speed of the ripples.
研究表明, 声波在同一介质中的传播速度和波源的速度无关。
4.
turbulent-flame velocity
紊流火焰的传播速度
5.
Radio and television have stepped up the tempo of the news
广播和电视提高了新闻传播的速度。
6.
In water sound travels nearly five times as fast as in air.
声音在水中的传播速度几乎是在空气中传播速度的五倍。
7.
Radio waves also travel at the speed of light,
无线电波也是以光速传播的。
8.
Propagation Characteristics of the Quasi-High Speed Railway Radio Cab Signal
准高速铁路无线机车信号的传播特性
9.
Such waves radiate at the speed of light and are transmitted not only by line of sight but also by deflection from the ionosphere.
这种电磁波以光速传播，其传播方式不仅通过无线电直线传播，还可通过电离层的反射传播。
10.
The phase velocity basically tells you how fast a pure sine wave( with a single frequency) moves.
相速度可以告诉我们一个纯正弦波的传播速度。
11.
The disease spreads widely and quickly.
这种疾病传播广并且速度快。
12.
Electromagnetic waves travel as fast as light.
电磁波传播的速度和光一样。
13.
That is more than two times the speed of sound.
比声音的传播速度快两倍还多。
14.
The speed at which light travels is 300,00 km per second .
光的传播速度为每秒30万公里。
15.
Light travels in straight lines at 186 000 miles a second.
光以每秒186 000 英里的速度直线传播。
16.
For large wavelengths, the velocity is constant.
对于长波长的波，传播速度是常数。
17.
Just how fast does sound travel through the air?
声音在空气中的传播速度究竟有多快？
18.
An increased velocity is randomly dispersed.
增加的速度任意地四散传播。