一年多以前,苏联大型喷气式民航机“图—104”的出现,曾经使世界民航界轰动一时。这种飞机每小时航速八百公里,能载五十名乘客,并具有其他优越的性能。但是,这种飞机在今天已经不是最新式的了,因为最近苏联民航界出现了几种效率更高、性能更好 More than a year ago, the emergence of “Figure -104”, a large-scale jet aircraft of the Soviet Union, once hit a sensation in the civil aviation world. The aircraft is capable of 800 kilometers an hour, carrying 50 passengers and has other superior performance. However, this type of aircraft is not the most up-to-date today because of the recent emergence of several more efficient and better performing civil aviation sectors in the Soviet Union