中国或在研世界首款五代空空导弹 装备歼20
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Don't wait. The time will never be just right.界首The harder you work for something, the greater you’ll feel when you achieve it.
款空导Push yourself, because no one else is going to do it for you.代空弹装In the midst of winter, I found there was, within me, an invincible summer.备歼The key to success is to focus on goals, not obstacles.
中国Don’t stop when you’re tired. Stop when you’re done.研世The key to success is to focus on goals, not obstacles.
界首Keep your face always toward the sunshine, and shadows will fall behind you.
款空导The only way to do great work is to love what you do.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：蓝奕邦)