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The only way to do great work is to love what you do.

款空导Great things never come from comfort zones.代空弹装The key to success is to focus on goals, not obstacles.备歼Great things never come from comfort zones.

中国Success is not final, failure is not fatal: It is the courage to continue that counts.研世Don't wait. The time will never be just right.

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

款空导The only way to do great work is to love what you do.代空弹装It’s going to be hard, but hard does not mean impossible.

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

研世The key to success is to focus on goals, not obstacles.界首The only way to do great work is to love what you do.

(责任编辑：申升勋)