Matrix elements of the Zeeman Hamiltonian for 1snp configuration of helium have been deduced by virtue of spherical tensor theory and variation-perturbation method.
利用塞曼哈密顿的球张量形式,采用将微扰理论与里兹变分方法相结合的方式,导出了氦原子1snp组态塞曼哈密顿矩阵元的一般形式,给出了氦原子1s3p组态塞曼效应之解,并绘出了不同磁场强度下氦原子1s3p组态的塞曼能级分裂图。
Those are elliptical vector quantization(EVQ) based on the Gaussian source and pyramid vector quantization(PVQ) based on the Laplacian source.
为了减小复杂度 ,本文给出几种适用于特定信源的几何矢量量化方法 :如适用于高斯信源的椭球矢量量化(EVQ) ,适用于拉普拉斯信源的棱锥矢量量化 (PVQ)。
The Tensor Form of the Hamiltonian and Fine Structure of Helium Atom;
哈密顿算符的球张量表示与氦原子的精细结构研究
Study on the Energy-Momentum Tensor of Electromagnetic Fields in External Region of Spherical Symmetric Mass and in Gravitational Waves;
球对称质量外部区域和引力波场中电磁场的能量动量张量
On the Tensor Glueball Content of Soft Pomeron
关于软坡密子的张量胶子球的内涵(英文)
Spherical cavity expansion in dilatant soils with different tension and compression moduli
拉压模量不同的剪胀土体中的球孔扩张问题
The Mars Global Surveyor robot spacecraft that has been orbiting Mars since 1997 took the above image.
这张影像是由1997年起就开始探测火星的火星全球量测号所拍摄的。
Study on Left Ventricular Mass and Cardiac Function before and after Percutaneous Balloon Mitral Valvuloplasty by Echocardiography;
超声对二尖瓣球囊扩张术前后左室心肌重量及心脏功能的研究
Treatment of complicated intrahepatic stones accompanied with biliary stricture by limited hepatectomy and balloon dilatation
限量肝切除加球囊扩张治疗复杂性肝胆管结石并狭窄疗效分析
When players drive the ball initiatively, the attack and driving makes the rubber expand regularly, which is the embodiment of the energy transfer technology of Sensor.
在主动击球时，进攻和抽球使胶皮有规律的扩张，完全体现了能量传感技术。
Tensors of this kind are called antimetric or skew-symmetric.
这类张量叫做反对称张量或斜对称张量。
It's a map shaped like the world.
是一张地球形状的地图。?
Gu Ming and Zhang Hai are playing football.
顾明和张海在踢足球。
two tickets to the baseball game
两张棒球比赛入场券
I hope you enjoy the racquet.
希望你喜欢这张球拍。
maxwell energy stress tensor
麦克斯韦能量应力张量
The coming decline of oil could lead to a worldwide depression and exacerbate existing tensions among oil importers.
石油产量减少将会造成全球经济萧条，并使石油进口国间的紧张局势更形严重。
In the renin-angiotensin-aldosterone system, the juxtaglomerular apparatus helps regulate volume and pressure.
在肾素-血管紧张素-醛固酮系统中，肾小球旁体帮助调节血容量和压力。
It is no exaggeration that Earth has been called the water planet.
毫不夸张地讲，地球本可以被称为“水球”。
equivalent sphere
当量球体, 等效球体