For an idealized elasticmass, similarity conditions for time has been established for a long time.
对于理想弹性体来说，时间相似条件早已明确。
2
A finite element method is presented to determine the steady state elastic responses of planar mechanisms with distributed mass, operating at a prescribed input rotary speed.
本文给出了一种求解具有均布质量、恒定输入转速的弹性平面连杆机构稳态响应的有限无法。
3
Helical spring mass system (HSMS) is widely used in almost all of mechanical and electrical products due to its structure feature and elastic buffer ability.