它提供了飞机前进所需的推力。It provides the thrust that makes the craft move forward.火箭推力的方向是由电脑控制的.The direction of the thrust of the rockets is controlled by computer.火箭作为弹道导弹的推力装置很重要.Rockets are important as thrust units for ballis...
He bettered his last year's record.他刷新了他去年的记录.As an account of adolescence it could hardly be bettered.作为描写青春期的书,它已几臻完美。One of his first experiments after the telephone bettered the phonograph.他在发明电话后首次的一项实验中,改善了留声机...
Norman's efforts to impregnate her failed.诺曼想使她怀孕的努力失败了。" Not bad shooting,'said project manager Norman Haynes.“ 射得不坏, ”工程管理人罗曼-海恩斯说.Stageberg, Norman C and Dallin An Introductory English Grammar. Orlando : Har...
With colonic involvement, perirectal fistulae are common.累及结肠的直肠周瘘管常见.Tentorial dural arteriovenous fistulae are rare clinically.小脑幕脑膜动静脉瘘临床上比较少见.Objective To explore the angiographic appearances of the hemodynamic chang...