These two kinds of models can motor or engine drive alone.

这两类车型可马达或引擎发动机单独驱动。

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It consists of motor, drive mechanism and the drum or sprocket composition, divided into two types of wire rope and chain.

它由电动机、传动机构和卷筒或链轮组成，分为钢丝绳和环链两种。

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The thesis presents the subdivision drive method by analyzing the mathematics models of two-phase hybrid stepping motor.

论文通过分析两相混合式步进电机的数学模型，介绍了两相混合式步进电机的细分控制策略。

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The company also is developing four-wheel-drive technology that powers two wheels with an internal combustion engine and two with an electric motor, eliminating the need for a drive train that takes up floor space, Ho said.

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The same amount of work is required of the motor in the first two scenarios with or without a regenerative drive.

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