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Group velocity of the optical pulse propagation would be reduced based on coherent population oscillation effect in an absorbing medium.

由于相干布居振荡效应，光脉冲通过处于吸收状态的掺铒光纤介质时，将导致群速度传输减慢。

Stability properties and oscillation modes of accretion disks around compact objects are studied in this paper.

研究了环绕致密天体的吸积盘的稳定性质和振动模式。

The influence of acoustic perturbation on the pressure oscillation of a premixed conical flame combustor is experimentally investigated.

研究表明，V形预混火焰的锋面皱褶的频率与声波扰动的频率相同，其幅值与声波扰动的频率成反比。

Following up the change of some parameters in AC systems, it can regulate the active power transmitted by DC link and damp power oscillation in s...

在交流系统受到扰动后它通过跟踪交流系统某些参数的变化来调节直流输送的有功功率，从而达到阻尼整个系统功率振荡的目的。

This paper presents a simple method for measuring gas adiabatic constant by use of simple harmonic oscillation .

本文介绍了一种简单的利用简谐振动现象测量气体的定熵指数的方法。

Study the aeolian vibration control of transmission lines and subspan oscillation control of bundle conductors has great theoretical significance and social economic significance.

输电线的微风振动控制和次档距振荡控制研究是一个有着重大理论意义和社会经济意义的课题。

The work of this dissertation hopes to provide some useful reference for the construction of UHV transmission projects, hopes to provide a more effective theoretical basis for the design of aeolian vibration control and subspan oscillation control, and hopes to lay the foundation for a more in depth study of this subject in the future.

希望本文的研究能够为特高压输电工程的建设提供一些有益参考，为输电线的微风振动控制设计及次档距振荡控制设计提供更为有效的理论依据，为以后更深入的研究打下一点基础。

The oscillation of an air-filled double-layered spherical shell immersed in water was examined.

研究了浸没於水中的双层球壳振动问题。

The oscillation of the base level results in their relative variation of accommodation space and sedimentary alimentation. The variation rates of them have also changed, then lead to the difference of facies sequence, the degree of stratigraphic preservation and stacking pattern at the same territory in different ages, or the difference of phase area at different territories at the same age.

由於基准面的升降变化引起了可容纳空间与沉积物供给量的相对变化，相对应的可容纳空间变化率和沉积物供给率同时也发生变化，因而导致了在不同时期同一地区的地层在相序、保存程度和叠加样式上的差异，以及在同一时期内不同地区在相域上的差别。

The computation of two-dimensional advection transport using current methods such as Alternating Direction Implicit Method and linear interpolation technique can be subject to numerical attenuation,parasite oscillation and poor reproduction of wave propagation when large time steps are used.

在概化的平面区域内，采用上述方法模拟了二维初始浓度高斯分布和水流激波在旋转速度场及均匀速度场上的对流输移问题，结果表明方法在优化幅值衰减和数值扰动以及计算效率方面具有相当的发展潜力和应用前景

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。