分析表明波长调制反射谱的实质，是介电函数对能量的一级微商。
It is shown that the wavelength modulated reflective spectrum is essentially the first derivative of dielectric function with respect to the energy.
利用局域场修正的介电函数，研究了注入离子在强耦合简并电子气中的阻止本领和能量离散。
The stopping powers and energy stragglings for implanted ions in strongly coupled degenerate electron gas were investigated using local -field correction dielectric function.
对系统的介电函数作了RPA近似计算，得到了超导转变温度的表达式，并讨论了混合对效应。
The RPA approximation is used to calculate the dielectric function, to derive the expression for the superconducting transition temperature and to discuss the effect of hybrid pairs.
本文中讨论的光子能带结构是由非常有效的矢量波多重散射方法计算，该方法可以精确地处理介电函数在界面附近的突变。
The photonic band structures are calculated by an efficient vector-wave multiple scattering method which can deal accurately with the sharp changes of dielectric functions near the interface.
本文中讨论的光子能带结构是由非常有效的矢量波多重散射方法计算，该方法可以精确地处理介电函数在界面附近的突变。
The photonic band structures are calculated by an efficient vector-wave multiple scattering method which can deal accurately with the sharp changes of dielectric functions near the interface.
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