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A novel Eigenvector Method for the calculation of resonator modes and beam propagation is developed.

发展了一种新颖的適用於光腔模式及光束传输模擬计算的特徵向量法。

Because of this,in the present paper,the emphasis of the work is put on the whole fracture process. Then,two kinds of energy consumption of external force work,namely,elastic strain energy and fracture surface energy at any picked crack propagation are determined using the data obtained from wedge-splitting experiments.

鉴于此，本文使用试验的楔入劈拉试件结果，研究了裂缝扩展的整个过程中弹性应变能和断裂表面能的变化规律，从而进一步深入地理解了混凝土的断裂行为。

Based on the linear elastodynamics theory, an analytical model is established for the propagation of generalized Rayleigh waves in a coated structure. Moreover, the dispersion equation is derived from the wave motion equations and the boundary conditions.

基于弹性动力学的线性理论，建立了涂层材料中广义瑞利波传播的理论分析模型，并且由波动方程和边界条件推导了波的频散方程。

The nature of the electromagnetic spectrum, including the interrelationships of wavelength, frequency, energy, and propagation speed.

电磁波普的特性，包括波长、频率、能量和传播速度之间的相互作用。

On the basis of this, the simulating process of electromagnetic wave propagation in multi-layer media is proposed.

多层复合隐身材料的设计基础是电磁场与物质相互作用的宏观电磁理论。

Then the propagation characteristics of the electromagnetic wave in the interface of different media is studied.

这说明微波遥感预测技术是一种很有前途的，值得深入研究的煤岩动力灾害预警技术。

This work will provide significant reference data for the research of propagation property of electromagnetic wave in soot.

这一工作为研究电磁波在烟尘中的传输特性提供重要参考数据。

In this paper, the origin, propagation and attenuation of environmental vibration is studied by both test and theory method, so that we can evaluate and forecast the environmental vibration produced by elevated railroad traffic according to practice.

本文就高架轨道交通引起环境振动的发生机理及振动的传播和衰减规律进行实测及理论分析研究，以便对高架轨道交通引起环境振动进行切合实际的评价和预测。

Therefore, we should not only study the generation, propagation and control of hydrologic survey error, but also the theory and method of elimination of contradiction of hydrologic survey results.

因此，不仅需要深入研究水文测量误差的产生、传播与控制，还要研究消除水文测量成果之间矛盾的理论和方法。

In vitro somatic embryogenesis is another form of vegetative propagation.

体细胞胚胎在试管中形成，是另一种形式的无性繁殖。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。