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Success is not final, failure is not fatal: It is the courage to continue that counts.界首Your limitation—it’s only your imagination.

款空导Wake up with determination. Go to bed with satisfaction.代空弹装The harder you work for something, the greater you’ll feel when you achieve it.备歼You don’t have to be great to start, but you have to start to be great.

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

界首Don't wait. The time will never be just right.

款空导You don’t have to be great to start, but you have to start to be great.代空弹装Believe you can and you're halfway there.

备歼Don't wait. The time will never be just right.中国Don't wait. The time will never be just right.

研世The way to get started is to quit talking and begin doing.界首The greatest glory in living lies not in never falling, but in rising every time we fall.

(责任编辑：邹静)