class Trip

+car:Car

+length:number

+start()

+end()

class Car

+number:String

+name:String

+move(dx:number,dy:number):void

+scale(dx:number,dy:number):void

class Kuaiche

+price:Number

class zhuanche

+price

didi

didi

2019-12-17 16:33:38 0 9
这里是评论

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