1. Based on the method to design the 3-D knottiness gimbale transmission shaft,the torsion vibration is reducde,and the syntony is also avoided.
   按此法设计计算三维空间多节万向传动轴可减轻系统扭振及避免共振。
2. It explains the reason of gentle breeze syntony about sustained tubate generatrix in hydromechanical viewpoint,and puts forworld several methods for avoiding gentle syntony.
   用流体力学的观点解释了管母线发生微风振动的原因,并提出了防止和消除微风振动的几种方法。

声明：以上例句、词性分类均由互联网资源自动生成，未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。