中国人民解放军空军的英文缩写，
The PLAAF is seeking a new generation advanced trainer with better performance and capability.
PLAAF正在寻找一种新一代高级教练机具有更好的性能和能力。
The PLAAF began to search for a successor to its forty-year-old CJ-6 basic trainer as early as 1993.
早在1993年PLAAF开始去寻找它服役四十年之久的CJ-6初级教练机的替代者。
The theoretical evaluation of the next generation basic trainer was completed by the PLAAF and Hongdu in 2003.
下一代初级教练机的理论评估在2003年被PLAAF和洪都公司完成了。
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