在对话中找出下列五个英文问题对应的答案,并请将问题和答案都翻译成汉语。 1.What is the definition of an industrial robot? 2.What is the most human like characteristic of an industrial robot? 3.What is the similarity between an industrial robot and a NC machine? 4.How about the difference between an industrial robot and a NC machine? 5.Why should robots be reprogrammed?