Virtual reality is the crossing and blending of the computer science and the information science, and is considered as the representative of the information technology in the 21 st century.

虚拟现实是计算机科学和信息科学的交叉和融合，被认为是21世纪信息技术的代表。

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This paper USES "virtual neutral point method" to measure the "zero crossing", then the soft deal "zero crossing" to get the six key position to commutate.

本文采用虚拟中点的方法来识别反电势过零点，然后对过零点进行处理得到无刷电机换向的六个关键位置。

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As a labor leader, however, I would have a hard time crossing any picket line, even a virtual one.

FORBES: Labor Leaders On Whether They'll Honor Huffpo Boycott