Stepping into 21st century, the economic growth mode transformation of China has made substantial progress. The TFP contribution rate has achieved 57.58% per year.

进入21世纪，我国经济增长方式转型已经取得了实质性突破，全要素贡献率达到了年均57.58%。

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Improving the controlling mode for the driving force of the stepping motor the problem that the temperature of the motor raise too fast in the vacuum condition is solved satisfyingly.

由于对步进电机驱动器的控制方式做了一点改进，较好地解决了步进电机在真空条件下工作温升太快的问题。

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A method of stepping motor driver circuit was given, composed by a chopper type current mode switch regulator and a monolithic stepping motor driver TA8435H.

提出采用斩波式电流型开关电源结合单片式步进电机驱动器TA8435H，构成一种电机驱动电路的方案。

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When companies and their employees are in survival, renewal and reinvention mode, they must throw their pride and arrogance out the door and focus more on refining and stepping up their game.

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