prototype 的英文解释中,etc后面的has是啥意思?是什么用法啊?the first form that a new design of a car,machine ect has,or a model of it to test the design before it is produced.

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prototype 的英文解释中,etc后面的has是啥意思?是什么用法啊?the first form that a new design of a car,machine ect has,or a model of it to test the design before it is produced.
prototype 的英文解释中,etc后面的has是啥意思?是什么用法啊?
the first form that a new design of a car,machine ect has,or a model of it to test the design before it is produced.

prototype 的英文解释中,etc后面的has是啥意思?是什么用法啊?the first form that a new design of a car,machine ect has,or a model of it to test the design before it is produced.
这句话的意思应该是:在新产品生产之前,新设计的第一款汽车或者机器都会有一个模型去测试这个设计是否合格.你再看看你这句话是否打错没,that 引导从句应该有一个谓语动词,那主句就少一个谓语动词