YD series varible pole multi-speed three-phase asynchronous motors are one of the main series products deriving from three-phase series.

YD系列变极多速三相异步电动机是三相异步电动机的主要派生系列之一。

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The test results for a rewound prototype give evidence of the correctness of the connection and analysis method for variable-pole multi-speed winding set presented by this paper.

改绕后的样机测试结果表明，变极多速绕组连接方案和分析方法是正确的。

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Bonded multi-pole magnet rotors are used in a wide variety of speed and commutation applications such as to rotary encoders, speedometers and machine controls.

多极磁铁转子广泛使用在各种速度和整流应用中，如对旋转编码器，里程表和机器的控制。

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We normally wouldn't touch airlines with a ten-foot pole, but the short-term technicals are positive, with the stock breaking higher out of a multi-month base, pulling back on light volume and accelerating higher again.

FORBES: Wall Street Winners: Defying Gravity