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浙江杭州许明远同学:2007年12月21日,新支线飞机ARJ21“翔凤”在上海总装下线。请问——ARJ21是我国首架拥有完全自主知识产权的新型支线飞机。ARJ21由数百万个零件组成,若连螺丝都要自己生产,在时间和投入上是不划算的。因此,制造飞机,只要掌控了总体设计和总装这两个环节,就叫拥有自主知识产权.比如波音747客机的600万个零件是由全球
Xu Mingyuan, Hangzhou, Zhejiang, China: On December 21, 2007, the new regional aircraft ARJ21“Shengfeng” was rolled off the assembly line in Shanghai. I would like to ask that ARJ21 is the first new regional aircraft with complete independent intellectual property rights in China. The ARJ21 is made up of millions of parts, and if screws are to be produced by themselves, it is not worth the time and investment. Therefore, to manufacture an aircraft, it is only necessary to control the overall design and the final assembly, and it is said to have independent intellectual property rights. For example, 6 million parts of the Boeing 747 passenger aircraft are global