风力涡轮机个头大、噪音响，还会破坏周边风景。Wind turbines are large and noisy and they disfigure the landscape.涡轮机的损坏降低了工作的效率。Damage to the turbine slowed the work down.涡轮机内的蒸汽从管内导至叶片上.In a steam turbine, steam from pipes is directed onto the...
光线用棱镜 、 光栅或干涉仪分解.The light is resolved by prisms, gratings, or by an interferometer.迈克耳孙和莫雷使用一台迈克耳孙发明的干涉仪.An interferometer invented by Michelson was used by Michelson and Morely.不很精确的射电干涉仪观测表明,这个源的角径约为1.5弧秒.Comparativel...
大风刮倒了树木和电线。High winds have knocked down trees and power lines.灌木丛和树木在风中摇晃。The bushes and trees were blowing in the wind.路陡直地向上延伸，透过树木可以清楚地看到奥尔维耶托。The road climbs steeply, with good views of Orvieto through the trees....