根据课本中的描述方式对下文进行“英译汉”。 In this article, the history of mechatronics is reviewed and its development in the 21st century is looked forward to. It points out that the idea of keeping improving constantly mechatronics,and the advance of 3C technology is its technical support. Social is the motivation of development needs the so-called“green product",while green products need mechatronics technologies. Intelligent machine is the result of developing mechatronics,which is designed based on seven parts related each other; therefore,mechanical engineer should become mechatronics engineer in the 21st century.