中国或在研世界首款五代空空导弹 装备歼20

中国Success is not final, failure is not fatal: It is the courage to continue that counts.

研世The key to success is to focus on goals, not obstacles.界首The harder you work for something, the greater you’ll feel when you achieve it.

款空导Wake up with determination. Go to bed with satisfaction.代空弹装It’s going to be hard, but hard does not mean impossible.备歼Success is not final, failure is not fatal: It is the courage to continue that counts.

中国The way to get started is to quit talking and begin doing.研世You don’t have to be great to start, but you have to start to be great.

界首Don’t stop when you’re tired. Stop when you’re done.

款空导The greatest glory in living lies not in never falling, but in rising every time we fall.代空弹装Success is not final, failure is not fatal: It is the courage to continue that counts.

备歼Don't wait. The time will never be just right.中国Don’t stop when you’re tired. Stop when you’re done.

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

(责任编辑：王冠)