Maxwell's equations conserve certain properties-the magnetic field intensity, the electric displacement field and the Poynting vector that describes the electric flux of an electromagnetic field.

麦克斯韦方程中有某些特性是恒定不变的——磁场强度、电位移场以及描述电磁场电通量的坡印廷矢量。

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Schey said one of the key things that distinguishes the SRZERO from other electric cars being rolled out is its reliance on axial-flux motor technology.

Schey说其中一个把SRZero和其他电动车区分开来的关键是，在新车的秘密测试时，依靠的轴向磁通电机技术。

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Let's say that we want to find the flux of the electric field out of a closed surface.

我们想要找出，电场对于一个封闭曲面向外的通量。

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Battery technology is still very much in flux, and widespread usage of electric vehicles will require significant investments for charging infrastructure.

FORBES: Chinese Company Offers To Acquire A Leading U.S. Battery Maker