所有这一切的需要就是用矢量格式表达Hadoop基础设施可以使用的数据。
All that's needed is a representation of the data in a vector form that the Hadoop infrastructure can use.
文中介绍了有关泡面法向矢量、切向速度、曲率和接触线等的计算技术。
Numerical techniques related to the calculation of normal vector, tangential velocity, curvature and contact line are explained in detail.
通过对坡印亭矢量的散度的分析，阐明了电机气隙中径向能流和切向能流的变化和传递。
The variation and transmit of the radial and tangential energy flow in the air gap of electrical machines are illustrated by analyzing the divergence of Poynting vector.
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