由于美国和俄罗斯的航空技术处于世界领先水平，基本代表了世界最新战机发展的方向，加上中国周边许多国家不断与美国、俄罗斯进行武器贸易往来，使美俄两国新型战机不仅部署在美俄基地，而且还不断部署在中国周边其他国家的基地里。因此，中国周边的新型战机部署，代表２１世 As the aviation technology of the United States and Russia is at the leading position in the world, it basically represents the direction of the development of the latest fighter planes in the world. In addition, many countries around China continue to conduct arms trade with the United States and Russia, so that the new fighters in the United States and Russia are not only deployed in the United States and Russia Base, but also continue to deploy in other bases around China. Therefore, the deployment of a new type of fighter plane around China represents the 21st century