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1·With speed display stepless speed regulating functions, heating power adjustable, can realize the purpose of automatic constant temperature.

具有转速显示及无级调速功能，加热功率可调，能实现自动恒温的目的。

2·With speed display and stepless speed regulating functions, heating power adjustable, can realize the purpose of automatic constant temperature.

具有转速显示及无级调速功能，加热功率可调，能实现自动恒温的目的。

3·Automatic completion of bag making, measuring, filling, sealing, cutting, counting, easy tear incision with thermal batch, stepless speed regulating function;

自动完成制袋、计量、填充、封合、计数、分切易撕切口、热批号、具有无级调速功能；

4·The analysis on the simulation results in stepless speed regulating system of automotive air-conditioning fan shows that the fuzzy PI control is better than the conventional PI control.

通过对汽车空调风机的无级调速系统仿真结果的分析，表明模糊pi控制优于传统的PI控制，证明了该无级调速系统仿真模型的正确性。

5·The step speed regulating mechanism and the stepless speed regulating mechanism are separately matched with the speed regulating gear set and the differential gear train of the transmission system.

有级调速机构、无机调速机构分别与传动系统中的调速齿轮组和差动轮系匹配。