专业英语翻译(刘金城) Velocity changes if either the speed or the direction changes 如果(物体运动的)速率或方向发生变化,则(运动)速度随之发生变化 We shall mention here two temperature scales, namely, the Fahrenheit scale and the Centigrade scale 这里我们将提及两种温标:华氏温标和摄氏温标 Oil and gas will continjue to be our chief source of fue 石油和天然汽将继续是燃料的主要来源 Distillation involves heating the solution until water evaporates, and then condensing the vapor 蒸馏就是把溶液加热直到水分蒸发,然后再使蒸汽冷凝 A material object cannot have a speed greater than the speed of light 一个物体的速度绝不会大于光速 When a person sees, smells, hears or touches something, then he is perceiving
当一个人看到某种东西、闻到某种气味、听到某个声音或触到某物时,他是在运用感官在感受 It is forbidden to dismantle it without permission so as to avoid any damage to its parts 严禁乱拆,以免损坏该设备的零件 It should be realized that magnetic forces and electric forces