用张量形式通过变分原理导出了无约束物体的动力学普适方程。
An universal dynamic equation for unrestrained body has been derived in the form of tensor by using variation method.
给出了用系统的ABCD矩阵元表示的用于进行此坐标变换的表达式和等价的张量形式的WDF的坐标变换矩阵(WCTM)。
The expressions and tensor form coordinate transform matrix of the WDF (WCTM) is given and expressed in terms of the ABCD ray transform matrix elements of the system.
这种特殊形式的核磁共振成像技术被称为弥散张量成像，对这种技术的也用来提高诊断脑震荡的精确度。
The special M.R.I. technique, known as diffusion tensor imaging, is also being studied to help improve the diagnosis of concussions.
这种特殊形式的核磁共振成像技术被称为弥散张量成像，对这种技术的也用来提高诊断脑震荡的精确度。
The special M. R. I. technique, known as diffusion tensor imaging, is also being studied to help improve the diagnosis of concussions.
本文讨论了这类非互易旋光张量下的波矢面及简正模的基本形式。
This paper discussed the basic form of the wave-vector surface and normal mode of nonreciprocal gyrotropic dielectric tensor.
用群论方法给出了一种具有特殊本征对称性的四阶张量在各点群晶体中的形式，并将其应用于声光散射转动效应的研究，获得了有意义的结果。
The form of a four-rank tensor with the particular intrinsic symmetry for a variety of crystal symmetry is given by the use of the group theory method.
利用张量书写简洁、形式美观的优点，从各向异性线弹性体广义虎克定律出发，逐步向各向同性体广义虎克定律叙述。
Taking advantage of tensor, succinct writing and artistic form, it discusses generalized Hook's Law from the anisotropic linear elastomer to the isotropic linear elastomer.
用群论方法导出具有轴转动群so(2)对称性的三阶非线性弹性系数张量的一般形式。
The general form of the third-order nonlinear elastic coefficient tensor having the symmetry of the group so (2) was derived with the help of group theoretical methods.
本文针对三组节理的岩体，推导了渗透张量的一般形式。
In this paper a seepage tensor for rock masses with three sets of joint is presented.
利用微扰理论导出了系统的介电张量，研究发现，MMP具有完全不同于静态磁化等离子体介电张量的形式。
Adopting method of perturbation theory dielectric tensor of the system is derived, MMP shows a completely different form of the dielectric tensor with the static magnetic plasma.
本文从一般强度理论出发导出各向异性材料应力形式张量多项式强度理论，根据强度准则的外凸性得到应力二次形式强度准则的强度参数限制条件。
A set of inequality constraint conditions of the strength parameters is derived from the convexity of the strength criterion, which is expressed in a quadric form in terms of stress components.
本文从物理学中转动惯量的传统定义出发，导出以并矢形式表示的惯量张量。
In the present paper, we derive the inertia tensor, expressed in a dyadic form, from the traditional definition of the moment of inertia in physics.
给出了各晶系晶体一般声学模及高对称方向纯模的散射张量转动修正的确切形式。
The exact rotational correction of the scattering tensor related to general acoustic modes and pure modes in the higher symmetry directions, for different crystal systems, is presented.
给出了各晶系晶体一般声学模及高对称方向纯模的散射张量转动修正的确切形式。
The exact rotational correction of the scattering tensor related to general acoustic modes and pure modes in the higher symmetry directions, for different crystal systems, is presented.
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