Although disabled by polio during the Second World War, Proctor was also a first-rate helmsman.二战期间尽管身患小儿麻痹症，普罗克特仍不失为一流的舵手。The old helmsman brought us about and we avoided a dangerous dash against the rocks.老舵手掉转了船的航向, 我...
在理论上,无阻尼时将引起无尽的谐振响应.Theoretically the absence of damping results in an infinite response at resonance.燃烧室内的固体颗粒可能引起强烈的阻尼效应.Strong damping effects are possible because of solid particles in the chamber.阻尼网的阻力损耗在几乎所有的装置中都是...