1.The Structure and Principle of Electric Bicycles
　　Electric bicycles are mainly composed of batteries,motors,controllers,chargers,and frames.
　　The battery is the core component of an electric bicycle,which stores electrical energy and provides power to the motor.The motor is the driving force source of electric bicycles.It receives electrical energy from the battery through a controller and converts it into mechanical energy to move the electric bike.
　　2.How to use electric bicycles
　　Before using an electric bicycle,one should first understand the various functions and usage methods of the vehicle.For example,understanding how to turn on and off power,how to accelerate,how to brake,etc.During the cycling process,it is important to maintain the stability of the vehicle at all times to avoid potential dangers.