1、

Every vector can be resolved into covariant or into contravariant components.

每个矢量都可以分解成协变分量或逆变分量.

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2、

The covariant equation of plane motion body in curved space-time is studied.

研究弯曲 时空 中平面运动刚体的动力学协变方程.

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3、

This decomposition may give another definition of high order tensor's covariant derivative.

这种分解可以给出高阶张量协变导数的另一种定义.

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4、

Then the reciprocal of temperature is expanding concomitant variable, and the reciprocal temperature and the differential of momentum carry on contraction. We concluded that covariance scalar equation of thermodynamics law covariant of closed system in P-E theory frame, in essence, it is energy conservation equation.

接下来把温度倒数扩展为协变量,并把倒温度与动量微分进行组合,得到在P-E温缩理论框架下的封闭系统热力学定律协变式的标量方程,本质上的能量守恒方程。

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5、

The transformation property of the general covariant equation under charge conjugation, space inversion, time reversal and strong reflection is studied.

本文讨论了广义协变方程在电荷共轭变换,空间反演,时间倒逆和强反射下的变换性质。

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6、

Physical Essence of Introducing Covariant Derivative into Gauge Theory

规范场论中引进协变导数的物理实质

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7、

We obtain two formulas about the covariant derivative of the coordinate functions on the unit sphere in Eucdidean space.

得到了欧氏空间中,单位球面上坐标函数关于某一特定标架场的协变微分的两个等式。

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8、

The quantities ba β are the covariant components of a plane tensor, called the curvature tensor of the surface.

baβ是“平面张量”的协变分量,叫做该曲面的曲率张量。

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