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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

The air pressure wave on the surface of train body in full-scale-test working state was calculated by numerical simulation computing, the frequency range of air pressure wave was estimated, and as a conclusion, the reasonable sampling frequency can be set in the range from 300 to 500 Hz.

通过分析实车测试工况下车体表面压力波的数值计算结果，估计被测空气压力波的频率范围，确定测试系统合理采样频率可设置为300~500Hz。

In this paper, we use Fourier transformation to analyse the spectrum of the finite-length harmonic wave train, and point out that the relationship between frequency width and continuance of a wave train obeys the indeterminate relation in quantum mechanics.

本文应用富里哀变换对有限长简谐波列进行了频谱分析，指出波列频宽与持续时间之间服从量子力学的测不准关系。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。