A mathematical model of the system was built using a vector-controlled induction machine driving a flywheel.

基于飞轮储能系统里矢量控制的感应电机，建立了系统的数学模型。

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The system obtains 2-D data of the thread axis profile section by CCD with optical projection and machine driving.

该系统采用光学的方法，借助机械传动通过CCD摄像，获取螺纹轴剖面外轮廓的数字图像。

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The problem of shield machine driving through a station in Metro construction can be well solved by combining shield-driven tunnelling with mining or open cut excavation.

盾构扩挖法建造地铁车站能够很好地解决地铁建设中盾构过站的问题。

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BMW, for example, has successfully fused its global slogan of the "ultimate driving machine" with a Chinese-style declaration of ambition.

WSJ: What Chinese Consumers Want

Unfortunately for BMW owners, this is hardly the first time that sudden engine stalls have besieged the owners of the ultimate driving machine.

FORBES: After 130,000 in 2010, BMW Recalls Another 569,000 Vehicles

Now, they can jump from their first "I can just manage this" vehicle to the ultimate "my company went public" driving machine without ever owning a sedan.

WSJ: Big Honking SUVs Make Room for Smaller Utility Vehicles