伴随社会的进步,摩托车广泛进入家庭,已经成为人们学习、生活、工作的交通工具之一,它具有轻便、灵活、快捷等优点。无论是田间地头还是乡村小道,到处都有它多姿的身影,无论是繁华都市还是大街小巷,都有它悦耳的笛音,它集力、热、光、电、声于一体,是初中物理知识的一个典型应用实例。 Accompanied by the progress of society, motorcycles have entered the family extensively and have become one of the means of transport for people to learn, live and work. They are lightweight, flexible and fast. Whether it is the field or the village trail, everywhere it has its colorful figure, whether it is the bustling city or the streets, has its melodious flute, which sets power, heat, light, electricity, sound in one, is junior high school A Typical Application of Physical Knowledge.