Fallboard has a slow closing damping system.

键盘盖有缓降系统。

Adjust the damping and tension.

调节阻尼和拉力。

It is caused by insufficient damping.

它是由于阻尼不足而造成的。

Change the capsule damping time constant.

变更膜盒阻尼时间常数。

Shear modulus and damping ratio change very little.

动剪切模量与阻尼比的变化比较小。