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。
The theoretical evaluation of the next generation basic trainer was completed by the PLAAF and Hongdu in 2003.
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 PLAAF began to search for a successor to its forty-year-old CJ-6 basic trainer as early as 1993.
神农架旅游滑雪场为初级和中级滑雪者配备了不同的雪道，聘有20余名教练为游客服务。
There are ski tracks for primary and intermediate skiers and more than 20 coaches for tourists.
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