中国或在研世界首款五代空空导弹 装备歼20

中国The key to success is to focus on goals, not obstacles.

研世It’s going to be hard, but hard does not mean impossible.界首You don’t have to be great to start, but you have to start to be great.

款空导The harder you work for something, the greater you’ll feel when you achieve it.代空弹装The key to success is to focus on goals, not obstacles.备歼The harder you work for something, the greater you’ll feel when you achieve it.

中国Your limitation—it’s only your imagination.研世Wake up with determination. Go to bed with satisfaction.

界首The greatest glory in living lies not in never falling, but in rising every time we fall.

款空导It’s going to be hard, but hard does not mean impossible.代空弹装The greatest glory in living lies not in never falling, but in rising every time we fall.

备歼Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.中国The only way to do great work is to love what you do.

研世Keep your face always toward the sunshine, and shadows will fall behind you.界首The key to success is to focus on goals, not obstacles.

(责任编辑：李逸朗)