查询词典 alternating tensor

The electromagnetic field tensor method is used to calculate the electromagnetic fields inside a parallel-plate simulator and analytical expressions for the field distributions are derived in time domain.

利用电磁场张量法计算了平行板电磁脉冲模拟器内的电磁场并推导了其时域解析表达式。

From the formula for the field strength of a point charge,by means of the transformation of the field strength tensor in the special theory of relativity,the laws of electrostatic field and magnetic field of steady current s are derived in this paper to give the students a better understanding of the consistency of electric field and magnetic field.

从点电荷的场强公式出发，根据狭义相对论中场强张量的变换，推导出了静电场和稳恒电流磁场的诸定律，使学生对电场和磁场的统一性有了更为深刻的认识。

In order to eliminate the effect of noise, wavelet-based denoising technique was used both on diffusion weighted images and noisy tensor field. We also compared the wavelet-based denoising method with the Gaussian smoothing, the traditional denoising method in image analysis.

为降低图像噪声对纤维跟踪的影响，分别采用小波去噪方法对扩散加权图像和张量场进行处理，并对小波去噪和传统的高斯平滑方法在扩散加权图像噪声抑制方面的作用进行了比较。

Theorem 3: the gradient of any point in the locus of foot point of the perpendicular line and the tangent line of the cylindrical spiral is , namely one-order tensor field.

定理3 由坐标原点至圆柱螺线的切线所引垂线的垂足轨迹上任一点的梯度为，即为一个一阶张量场。

By introducing the SU(2) field strength tensor, we can easily obtain the spin force which reduces to the Stern-Gerlach force.

当只有U(1)电磁场时，该自旋力会简单地退化为Stern-Gerlach力。

A gravitational field equation that includes the gravitational field contribution is established by introducing the energy-momentum tensor of pure gravitational field part of matter into the general relativity theory of Einstein.

通过引进和构造具有广义协变的纯引力场能量-动量张量并引入到Einstein的场方程中，建立了包含引力场贡献的引力场方程。

Equations in form of tensor for describing fluid dynamics are presented, which are free of coordinates.

本文首先推导得出了不受坐标系限制的张量形式的流体运动学基本方程组。

They conclude their paper by showing how some partial differential equations and physical law can be expressed in tensor form.

他们在文章的末尾指出了如何把某些偏微分方程及物理规律表示成张量的形式。

Tensor form of permeability of fractured rock was studied.

以FracFlow为基础编制了相关的计算机程序。

According to the discrete material balance equation of control volume,a new numerical scheme based on PEBI grid and CVFE grid is provided,where absolute permeability is in tensor form.

根据所建立的单个控制体离散形式的物质平衡方程，基于 PEBI和 CVFE网格，采用任意形式的渗透率张量，建立了相应的数值算法。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48