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F or each non-occupied board position there is one such vector which is presented to the input units of the subnetwork.

对每个空白格有一个类似的向量来表示子网的输入单元。

We apply these set of rules to study three kind of typical quantum problems including harmonic oscillator, double well potential and impulse barrier penetration.

利用这套规则,我们研究了谐振子,双势阱和脉冲型势垒的透射这三种量子力学中典型问题的格林函数。

In Particular, we prove that N is the equality relation on S if and only if S is a semilattice and N is the universal relation on S if and only if 5 is the only principal filter.

其次,证明了N是偏序半群S中的恒等关系当且仅当S是一个半格,N是偏序半群S中的泛关系当且仅当S自身是S中唯一的主滤子。

The second part is for the calculation of the mass spectrum for two-gluon glueballs by using Bethe-Salpeter equation. Our results are in good agreement with those given by lattice simulation and confirm that the lightest glueball is scalar with mass about 1. 7GeV, the mass of tensor glueball is about 2. 4GeV, the masses of pseudoscalar glueball and 2〓 not less than 2. 0GeV.

二是利用Bethe-Salpeter方程计算了双胶子胶球的质量谱,结果与最近的格点规范计算符合得很好,进一步肯定了标量胶球是最轻的胶球,质量约为1.7GeV;张量胶球的质量约为2.4GeV;而赝标胶球和胶球2〓的质量不小于2.0GeV。

We take sech form ansatz and solve the CNLS equations through variational approach. We obtain the analytical expression of nonlinear coupling term, which is in the lagrangian of CNLS. We apply a potential well model to analyze the interaction properties of self-trapping beams in detail, the results show that the interaction do not change the profile of the beams, two beams keep oscillating around their collective center periodically. The amplitude and period of this oscillation are both determined by initial separation of two beams.

我们采用Sech函数为试探函数,用变分法求解CNLS方程,(1)给出了CNLS方程所对应的拉格朗日中的非线性耦合项的解析表达,(2)利用势阱模型详细分析两自陷光束之间相互作用的特性,结果表明,相互作用没有改变孤子的形态,它们分别在与传播方向垂直的方向上绕它们的公共中心做往复振动,振动幅度及周期都取决于两光束的初始分隔。

In some literatures, another equivalence between the WKB method and the path integral approach has been discussed, a set of rules of constructing semiclassical green functions with respect to the position and energy which is the fourier transformation of the semiclassical path integral propagator with respect to position and time was established.

一些文献讨论了WKB方法和路径积分方法的等价性,得到了求解作为坐标和时间域的传播子的傅立叶变换的坐标和能量空间的格林函数的一套规则。

The plane wave expansion method was employed to calculate the band gap structures of 3D simple cubic lattice phononic crystal composed of elliptical steel cylinders embedded in epoxy matrix.

用平面波法研究了椭圆钢柱与环氧树脂组成的三维简立方晶格声子晶体的带隙结构。

Making use of the construction of the Smyth power domain,it is proved that the category of continuous semilattices is reflective in that of continuous domains.

基于Smyth幂domain的构造,证明了连续半格范畴是拟连续domain范畴的反射子范畴。

To understand the mechanism of the luminescent enhancement for the nanocomposites,the measurements of steady fluorescence emission,fluorescence lifetime and spin-lattice relaxation time ( t 1) of the individual carbon atoms in MEH-PPV for the nanocomposite films were carried out.

结果激发态激子自淬灭的几率降低,稳态荧光量子产率提高和动态荧光寿命的延长;通过共轭碳原子的自旋-晶格弛豫时间的测定,观察了MMT对聚合物分子运动的影响,并由此探讨了MEH-PPV凝聚态与光物理性质的关系。

Experimental demonstration of neutrino flavors In 1962 Leon M. Lederman, Melvin Schwartz and Jack Steinberger showed that more than one type of neutrino exists by first detecting interactions of the muon neutrino (already hypothesised with the name neutretto), which earned them the 1988 Nobel Prize.

中微子实验示范口味 1962年,莱昂米莱德曼,梅尔文施瓦茨和杰克斯坦伯格显示,超过三分之一的中微子存在的类型,首先检测的μ子中微子的相互作用(已与名称neutretto hypothesised),这使他们赢得了1988年诺贝尔物理学奖。

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推荐网络例句

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

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。