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The Schrodinger equation of a 4-body model system has been solved by using harmonic oscillator product states.

文中用谐振子乘积基展开法求解了四体系统的Schrdinger方程。

We present quantum mechanical vibrational computations beyond the harmonic approximation from effective second order perturbative and variation perturbation treatments defined as static approaches, as well as vibrational analysis from density functional theory molecular dynamics trajectories at 300 and 600 K.

利用超简谐振动近似的有效二阶微扰法(VPT2)和变异微扰法两种静态方法，以及在300和600K下的密度泛函分子动态轨线振动分析方法进行量子力学的振动计算。

Considering various contributions of the nonlinear response from the bulk and interfaces, the interface strain implies an nonuniform inhomogeneous intensity variation of second harmonic generation as functions of the surface azimuthal rotation angle ψ.

考虑来自於薄膜及介面的非线性响应，我们发现不均匀的介面应力对二次谐波的贡献为方位角ψ的函数。

In chapter 4,we consider the existence of harmonic function in negative sectional curvature manifolds.we get that,if Ricci ≥-C(1 + r~2)r =ρ(O.x, then there have non-canstant bounded harmnic function in negative sectional curvature manifolds.

第四章考虑负曲率流形上调和函数，得到了在Ricci≥-C(1+r~2)其中r=ρ的负曲率流形的调和函数的存在性。

Theorem 4 There is no compact totally real 2-harmonic submanifold with non-zero parallel mean curvature and positive sectional curvature in a locally symmetric Bochner -Kaehler manifold.

定理4局部对称Bochner-Kaehler流形中不存在具有非零平行平均曲率向量且截面曲率大于零的紧致全实2-调和子流形。

Theorem 3 Let M~n be a compact totally real 2-harmonic submanifold in M~n which is a locally symmetric Bochner-Kaehler manifold.If Ricci curvature of M~n is nonegative and positive at a point at least,then the holomorphic sectional curvature of M~n is a postive constant number.

定理3设M~n是局部对称Bochner-Kaehler流形M~n的紧致全实2-调和子流形，若M~n的Ricci曲率非负且至少在一点为正，则M~n具有正常数全纯截面曲率。

Because the 2nd harmonic of self inductance is larger than that of the mutual inductance, which is not agree with Park transform, so the saturated mathematical model under a, b, c phase coordinate system of pulsating magnetic field permanent magnet low speed synchronous motor is constructed.

利用有限元方法计算了脉振磁场永磁低速同步电动机参数变化规律，由于自感二次成分远大于互感二次成分，不满足Park变换条件，在a、b、c相坐标下建立电机饱和数学模型。

The impact of iron core conductance is reduced to the air gap; the impact of harmonic and slot coefficient on machines winding coefficient, self-inductance and mutual inductance is fully considered.

把铁芯磁阻的影响归算到气隙中，充分考虑了槽口系数以及谐波对电机的绕组系数、定转子绕组的自感、互感系数等参数的影响。

Diurnal and semidiurnal quasi-harmonic terms are included in the Scheme Ⅱ.

方案Ⅱ则包含长周期、全日、半日周期的准调和项18项。

Harmonic analysis of the DongSha Island sea level data shows that the most significant tidal constituents in this region are the K1 (amplitude: 27 cm) and O1 (24 cm) diurnal tides and the M2 (14 cm) and S2 (5 cm) semidiurnal tides.

东沙岛的水位资料经由调和分析，结果显示主要的分潮为全日潮K1、O1以及半日潮M2、S2，其振幅分别为27、24、14、以及5公分。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失