说明：  学习电动车开发很好的列子，对于无刷电机开发起到一定的辅助作用，对电动车逻辑开发也起到一定的作用，电动车开发原理图
(Study of electric vehicle development good Liezi, a supporting role in the development of brushless motor, but also plays a certain role in electric logic development, principle diagram of electric vehicle development)