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- four dimensional wave vector 四维波矢量
- The modulated vector and the four dimensional index of all Bragg reflections of incommensurately modulated structures were determined. 据此对单晶衍射数据进行了四维空间的指标化。
- Wave vector resolved surface densities of states and band structure along the surface Brillouin zone are presented. 采用层轨道表象及表面投影技术 ;给出了 (313)表面在二维布里渊区高对称点的波矢分辩的电子态密度和表面投影能带结构 .
- A new color video coding method whichcombines 4D-MDCT and four dimensional intra prediction is proposed. 该文基于4D-MDCT并结合四维帧内预测技术提出了一种彩色视频编码的新方法。
- I was seeing in four dimensions at once. 我同时看到四个维度。
- The math behind Quaternions involves four dimensional linear algebra, which is very difficult to understand. 四元组的数学意义是一个较难理解的四维线性代数。
- It is found that under little axial strain,armchair carbon nanotubes are still conductors,but Fermi wave vector,Fermi dot and the effective mass near Fermi face are changed. 在小的轴向拉伸下,扶手椅型碳纳米管仍然是良好的导体,但其费米波矢、费米点及费米面处的有效质量都发生了变化。
- Using the Gauss-Bonnet theorem, Stephen Hawking proved that the topology of the event horizon of a (four dimensional) black hole is a 2-sphere. 使用高斯-博内定理,史蒂芬·霍金证明一个（四维）黑洞活动视界的拓扑结构是2个球体。
- By analogizing the coordinate conversion of two-dimensional plane,we turn the Minkowski four dimensional space,and deduce the Lorentz transformation. 转动闵可夫斯基四维空间,类比二维平面坐标系转动的坐标变换关系,导出洛伦兹变换关系。
- The Brillouin scattering tensers and the stiffening Christoffel equations in (100), (010), and (001) planes of C2v point group crystals are obtained at arbitery wave vector directions. 简述了应用布里渊散射测量晶体的弹性和压电系数的方法;推导了C_(2v)点群晶体(100);(010)和(001)晶面内任意波矢方向的布里渊散射张量及声速各向异性方程.
- By introducing "complex wave vector" and applying the Bloch theorem to the N-layer-based SLs, we derive general formulae to calculate the localized electronic states in the infinite SLs with structural defects. 利用复波矢将布洛赫定理运用到多组分超晶格中,推导了计算多组分含结构缺陷超晶格中局域电子能级的公式。 从数值上研究了含结构缺陷的三组分超晶格中局域电子态的性质,详细地比较了对称结构和不对称结构中局域电子态的差异。
- Specified by or exhibiting four dimensions, especially the three spatial dimensions and single temporal dimension of the relativity theory. 四维的，四度空间的由四维确定或表现的，尤指三个空间维度和相对理论中的时间维度
- Against the characteristic of electromagnetic wave propagating in left-handed material, researches on surface wave producing condition, draws wave vector equation of TE, TM polarization surface wave. 针对电磁波在左手介质中的传播性质,研究了表面波产生的条件,得出了TE、TM偏振表面波波矢方程。
- Examples of the absoluteness include the principle of invariance for velocity of light, the principle of special relativity, the principle of general relativity, eigenlength, eigentime, Minkowski four dimensional space-time. 在教学中常常强调其中的”相对”，而忽视了相对论中还有“绝对”的一面，如光速不变原理、狭义相对性原理、广义相对性原理、本征长度、本征时间、闵可夫斯基四维时空等都具有绝对性。
- A discussion on complex wave vector 关于复波矢问题的讨论
- The Wave Vector Representations in Lattice Dynamics 晶格动力学中的波矢表象
- theory of four dimensional personality “四维”人格理论
- four dimensional fundamental form 四维基本形
- Academic liberalism has four dimensions of economic,political,social ethics and philosophical doctrines. 学理上的自由主义 ,主要有经济学说、政治学说、社会伦理学说和哲学学说四个维度。
- Considering the interaction between phonons of different wave vectors in the recoil process, the influence on the ground state energy of the magnetopolaron is discussed. 在计及电子在反冲效应中发射和吸收不同波矢的声子之间相互作用时，讨论了对半导体量子点中磁极化子的基态能量的影响。
