陈来九，吕震中，王培红， 丁艳军提出了一种基于特征空间矢量的故障诊断方法。

This paper presents a fault diagnosis method based on characteristic space vector.

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王二木是一位来自中国广州的插画师，他热衷于使用红蓝两色的圆珠笔来创作插画作品。

Wang2mu is an illustrator from Guangzhou, China, and he favors using the red and blue ballpoint pen to create his work.

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