查询词典 persistent wave

Just as sound is a wave motion, light in the same sense, may be regarded as a wave motion.

正如声音是一种波动一样，光也同样可以看作是一种波动。

The number of wave crests and wave troughs of the flame varies regularly with the change of frequences of incoming waves.

火苗的波峰和波谷数目随入射声波的频率改变而有规律的变化。

We know, PC is a digital system, the internal high-frequency characteristics of signal waveforms for the square wave, and square wave contains a large number of harmonics.

我们知道，PC是一个数字系统，内部高频信号的特征波形为方波，而方波含有大量的谐波。

We see that a physically possible wave pattern is an SV-wave incident at an angle.

我们看到，一种物理上可能的波式样是一个以下列角度入射的SV波。

Various numerical results including the wave pattern and wave resistance,as well as the convergence properties due to a few parameters are presented.

给出了波型、波阻以及收敛特性随一些参数的变化规律。

The result shows that' this method can effectively optimize the data-visiting pattern of filter wave processing so as to raise the speed of two-dimensional and three-dimentional picture's filter wave processing.

结果表明，此方法能有效地优化滤波处理的数据访问模式，从而使二维和三维图像滤波处理速度提高3至7倍。

The variation of wavelength, wave speed and amplitude of wave versus liquid pressure was obtained.

测得了不同压力下的扰动波波长、波速和振幅。

The fact that the speed of water wave s varies with wave length and with amplitude leads to a wide variety of effects.

实际上，水波速度的波长随着振幅改变，导致各种不同的效应。

A train of light wave may often be represented more simply by means of rays than by wave fronts.

一列光波往往可以更简单地用光线，而不用波阵面表示。

Cased well ; sound wave ; wave train ; application ; interface ; bond strength

套管井；声波；波列；应用；界面；胶结强度

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。