歼-6歼击机，原型为苏联米格- 19歼击机，是第二代战斗机，也是第一代超音速战斗机。

J -6 fighter, the prototype for the Soviet MiG -19 fighters, is the second-generation fighter, is also the first generation of supersonic fighter jets.

youdao

军事设备的开发会因为对可行性的错误估计半途而废的案例不少，美国的F- 104第二代战斗机的研发就是个典例。

There have been many cases of military hardware failing because of problems in feasibility studies, such as the case of the F-104 second-generation fighter in the us.

youdao

军事设备的开发会因为对可行性的错误估计半途而废的案例不少，美国的F- 104第二代战斗机的研发就是个典例。

There have been many cases of military hardware failing because of problems in feasibility studies, such as the case of the F-104 second-generation fighter in the us.

youdao