以下为句子列表：
英文: Abstract: A class of general nonlinear neutral differential equations for its special cases are discussed.Sufficient conditions for all solutions of the equations to be oscillatory are obtained.It can be treated in the extreme limite theorem.
中文: 文摘:在特定条件下讨论了一阶非线性中立型的微分方程振动问题,产生了一阶非线性中立型微分方程的振动准则,并用极限理论证明了该振动准则的正确性.
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英文: Abstract: The oscillation criterion for the solutions of a class of neutral functional differential equations with positive and negative coefficients be investigated, some new sufficient conditions for all solutions of the equations to be oscillatory are
中文: 文摘:研究一类具有正负系数的中立型泛函微分方程的振动性,得到了其解振动的新的充分条件.
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英文: Abstract: This paper proposed a numerical method to determine the oscillatory stress singularities and the related stress intensity coefficients, by use of common numerical solutions (stresses or displacements) which obtained by an ordinary numerical tech
中文: 文摘:本文以具有振荡应力奇异性的平面问题为例，提出了一种利用普通的数值分析结果(由有限元或边界元程序计算得到的应力分量或位移分量)，来确定奇异点附近的振荡应力奇异性次数以及相应的复应力强度系数的数值分析方法。
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英文: Abstract: This study is based on the physical chemistry elementary principle to build the mathematics modal of the genesis of plagioclase oscillatory zoning.
中文: 文摘:根据物理化学基本原理，建立了斜长石韵律环带形成的数学模型。
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英文: Abstract: We have studied the spontaneous emission from a three-level atom with an external-driving field in a photonic crystal.As a result of quantum interference and photon localization,the population in the two upper levels displays quasi-oscillatory o
中文: 文摘:讨论了在双光子驱动场作用下，三能级原子在光子晶体中的自发发射问题.由于量子干涉和光的局域化作用，两个上能级中的占据数将具有周期振荡或准周期振荡的性质，这不仅依赖于两个上能级与禁带的相对位置，同时也依赖于原子的初始状态，而且还与驱动场的强度、驱动场的入射位相有关.这些性质既与真空中带有驱动场的原子的自发发射性质不同，也有别于无驱动场作用下光子晶体中三能级原子的自发发射性质.
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