应用范围：光学仪器制造各种电子、电器、精密仪器的擦拭光纤制造实验室器具及仪器的清洁印刷业机器的清洁包装业。

Application range: optics instrument, electronic, apparatus, precision instruments wiping, sensorius fiber manufacture, apparatus and equipment in lab cleaning, machine in print and packing industry.

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我自己买了一些化合物和玻璃器具，开始在我父母家进行实验室的试验。

I bought myself compounds and glassware and began performing laboratory practice experiments at my parents' home.

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利用该方法为直流脉宽调速系统设计了控制器，并在实验室进行了实现，显示了良好的动态特性，表明控制器具有较大的工程实用价值。

With the CAD Program, controller is designed for the PWM system, Its realization shows good dynamic properties and that the design is valuable in engineering practice.

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