Then the damping effect of elastic restraint is verified and the influence of the damping coefficient and the spring stiffness on the damping effect is discussed.
验证了弹性约束对拉索振动的减振效果，讨论了阻尼系数和弹簧刚度对减振效果的影响；
2
The ones that passed among young people on Valentine's Day, Christmas Day are more lively than the Spring festival, the market makes a reduction without restraint too these festival.