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苏-27是苏联发展的综合技术性能最高的先进战斗机,同时也是俄罗斯苏霍伊设计局后续发展的一系列苏式重型战斗机的基础平台。苏-27问世时所代表的是苏联航空工业在战斗机设计上所达到的最高成就,通过苏-27和米格-29的发展,使苏联在战斗机技术性能上第一次站到了与西方国家比肩的位置上。性能先进、威力强大的苏-27战斗机装备苏联空军和防空军之后,在技术上和战术上都给冷战时期的西方国家带来了很大压力。而在苏联解体后,苏-27及在其基础上发展的改进型号就成了俄罗斯战斗机出口中最重要的型号。可以说,苏-27系列战斗机现在是俄罗斯航空工业的代表。在落后于西方的航空工业基础条件下,苏联的设计师通过科学的设计和合理的安排,使苏-27 在飞机平台的整体设计上非常出色,足以媲美西方国家同类最先进的战斗机。但在苏联解体后,受科研经费投入不足以及苏联时期军事思想在飞机设计上所造成的影响,苏-27在国际战斗机技术近 20余年得到突飞猛进时却发展得非常缓慢,基本型苏-27S在综合作战性能上已完全无法满足现代战争的技术要求。曾经处于世界第一流水平的苏-27在面对现代化空战技术环境时,在电子、武器和系统综合方面都存在有比较明显的缺陷,因而使苏-27系列飞机的改进一直被俄罗斯和使用苏- 27系列战斗机的国家所重视。
SU-27 is the Soviet Union developed the highest comprehensive technical performance of advanced fighter aircraft, but also Russia’s Sukhoi Design Bureau follow-up development of a series of Soviet-based heavy fighter platform. The advent of SU-27 represented the highest accomplishment achieved by the Soviet aviation industry in the design of fighter jets. By means of the development of SU-27 and MiG-29, the Soviet Union stood for the first time in terms of technical performance of fighters to stand shoulder to shoulder with Western countries On the location. The advanced and powerful Su-27 fighter aircraft, equipped with the Soviet Air Force and the Air Defense Force, put great pressure on the Western countries in the Cold War era technically and tactically. After the disintegration of the Soviet Union, Su-27 and the improved model developed on the basis of it became the most important model for the export of Russian fighter jets. It can be said that Su-27 series fighters are now Russia’s aviation industry representatives. Under the basic conditions of aeronautical industry lagging behind the West, Soviet designers, through scientific design and reasonable arrangements, made the Su-27 an excellent overall design for the aircraft platform, comparable to the most advanced fighter planes in the West. However, after the disintegration of the Soviet Union, due to the insufficient investment in scientific research and the influence of Soviet military ideology in aircraft design, SU-27 developed very slowly when the international fighter technology has made rapid progress in recent 20 years. The basic SU-27S Comprehensive combat performance has been completely unable to meet the technical requirements of modern warfare. Once the world-class Su-27 in the face of the modern air combat technology environment, there are more obvious defects in the electronics, weapons and systems integration, so that the improvement of Su -27 series aircraft has been Russia and the use of Soviet 27 series of fighters countries attach importance.