To save power and productive efficiency by using quick-return characteristics of planar linkage, this paper discusses the quick-return characteristics of planar linkage.
为利用平面连杆机构的急回特性节省动力和提高劳动生产率，讨论了平面连杆机构的急回特性。
2
According to the characteristics of brushless doubly-fed wind turbine and adopting flux linkage oriented vector transformation control technology, a new type of power control system is developed.
根据无刷双馈电机的特性，采用磁链定向的矢量变换控制技术设计了一种新型功率控制系统。
3
By adjusting the linkage to allow a power stroke that is longer than the compression stroke, the engine can achieve greater efficiency than with the Otto cycle engine.