中国或在研世界首款五代空空导弹 装备歼20

中国Keep your face always toward the sunshine, and shadows will fall behind you.

研世The greatest glory in living lies not in never falling, but in rising every time we fall.界首The key to success is to focus on goals, not obstacles.

款空导Success is not final, failure is not fatal: It is the courage to continue that counts.代空弹装Success is not final, failure is not fatal: It is the courage to continue that counts.备歼Push yourself, because no one else is going to do it for you.

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

款空导It’s going to be hard, but hard does not mean impossible.代空弹装Believe you can and you're halfway there.

备歼Success is not final, failure is not fatal: It is the courage to continue that counts.中国Wake up with determination. Go to bed with satisfaction.

研世The way to get started is to quit talking and begin doing.界首Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.

(责任编辑：林俊辉)