有不少的极性晶体，电子与体纵光学声子的耦合弱，但与表面光学声予的耦合强。
There is a weak bulk coupling but a strong surface coupling between the electrons and phonon for many polar crystals.
论文第二章研究了等离子体中横向扰动下的(3 +1)维弱非线性离子声波，得到了描述离子声孤波的(3 + 1)维kp方程。
In chapter two, the (3 + 1) dimensional weakly nonlinear ion acoustic wave at higher order transverse perturbations in plasma was discussed and described by the Kadomtsev-Petviashvili (KP) equation.
推导了具有工程背景的弱正交异性材料的超声波斜入射应力-声关系。
The stress acoustic relationship for off axis ultrasonic wave is derived in slightly orthotropic material.
在声子色散影响下利用压缩态变分法计算了抛物量子点中弱耦合极化子的基态能量。
The ground state energy of weak-coupling polaron in a parabolic quantum dot considering the phonon dispersion is calculated using the squeezed-state variational approach.
研究了磁场中多原子极性晶体中多声子相互作用对弱耦合体极化子基态能量和有效质量的影响。
In this paper, effect of many phonons interaction on the ground state energy and the effective mass of weak-coupling bulk polaron for the polyatomic polar crystals in magnetic field were studied.
导出了电子速度对半导体量子点中强、弱耦合极化子的声子平均数的影响。
The influences of the electronic velocity on the mean number of phonons of the strong-and weak-coupling polaron in a semiconductor quantum dot are derived.
有些极性晶体，电子与表面光学声子（SO）耦合强，与表面声学声子（SA）耦合弱。
There is weak coupling between the electron and SA phonon but strong coupling between the electron and SO phonon for many polar crystals .
研究了电子-体纵光学声子弱耦合情况下，抛物量子点中激子的性质。
Numerical calculations are performed for GaAs semiconductor as a example and the results show that the mean number of optical phonons of weak-coupling exciton decrease with the.
如果你不经意拨动任一开关在桥接位置，立体声输出将会非常弱、软、别扭。
If you accidentally leave either switch in the mono bridge position, the stereo output will be very weak and distorted.
有不少极性半导体，电子与体纵光学声子的耦合弱，但与表面光学声子的耦合强。
There isa weak bulk coupling but a strong surface coupling between electrons and phonons for many ionic crystals.
有不少极性半导体，电子与体纵光学声子的耦合弱，但与表面光学声子的耦合强。
There isa weak bulk coupling but a strong surface coupling between electrons and phonons for many ionic crystals.
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