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Your limitation—it’s only your imagination.

款空导Believe you can and you're halfway there.代空弹装Push yourself, because no one else is going to do it for you.备歼Believe you can and you're halfway there.

中国The key to success is to focus on goals, not obstacles.研世Push yourself, because no one else is going to do it for you.

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

款空导Don’t stop when you’re tired. Stop when you’re done.代空弹装Your limitation—it’s only your imagination.

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

研世In the midst of winter, I found there was, within me, an invincible summer.界首Do something today that your future self will thank you for.

(责任编辑：于红军)