According to the formation principle of the tritubercular cycloid in this paper, the rotor, whose bore curve is the inner envelope line of the cycloid, is made with the solid radius vector.
根据三尖摆线

原理,以摆线
内包络线为定子内腔曲线,动径实体化
作为转子,定子、转子按照一定关系运动则
一种新型摆线泵。

向量均衡问题弱有效解


当着霍乱病菌的
他国家提供的第三种新冠肺炎疫苗。

茁壮成长。


