波的传播

In this paper, the dynamic behaviours of polymer-cement composite material are investigated, including the dynamic rigidity, internal frication and ratio of elastic energy to unelastic energy in hysteresis loop under vibration, the stress wave propagation and attenuation in this material, the impact toughness and abrasiveness.

本文研究了聚合物水泥复合材料的动力性能，其中包括动力刚度、振动状态下的内耗及振动滞后曲线中的弹性与非弹性应变能之比、应力波的传播与衰耗、冲击韧性和耐磨硬度等。

Depending on the acoustic emission during the hydraulic pressure test,it could be determined whether the defect was originally formed or not with the help of Kaiser effect principle.

近年来，声发射技术在各方面都得到了很大发展，包括声发射的源机理和波的传播研究以及检测系统的研制和应用范围的扩展等[2]。

The one primary goal of this paper is to provide a new method for simulation of acoustic and elastic wave propagation.

本论文分为两个层次，其一的目标是提出一个新的方法，用来研究并模拟声波和弹性波的传播。

Britain tended to have the best radar system during the early stages of the war and in 1940 the invention of the Magnetron cavity resonator enabled more centimetric waves to be transmitted.

tp9yr+qy_Ucr7G0英国往往有最好的雷达系统在战争初期，并在1940年发明的磁控管谐振腔，使更多的centimetric波的传播。

The experimental results also showed that different results produced for different location and reflectivity of the compensative mirror.

根据腔镜结构，从波的传播理论出发，给出含补偿腔的理论模型，用MATLAB编程对模型进行的数值模拟结果与实验结果吻合得很好。

An electromagnetic wave consists of fluctuating electric and magnetic fields, perpendicular to each other and to the direction of propagation, as described in detail in front.

一列电磁波由一系列频率的电场和磁场，它们相互垂直并垂直于波的传播方向，这在前面已详细做过说明，按照惯例，偏振方向就是电场的速度方向，而不是磁场。

The ground response to underground explosion is transformed into the problem about propagation and reflection of spherical dilatation wave in elastic half-space.

将地下爆炸的地表响应转化为弹性半空间内球面膨胀波的传播和反射问题。

Two shorting planes are transversely inserted in the propagation direction so as to form a closed resonator.

在传输线波的传播方向，横向放置两个假想的理想短路面，构造谐振腔。

In non-conservative system, what is the propagation speed of wave s is unclear.

在非保守系统中，波的传播速度还是个不十分清楚的问题。

In present work the propagation of solitary wave in a pressurized fluid-filled elastic tube is studied.

研究了内充预压流体的弹性管中孤立波的传播。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。