中国或在研世界首款五代空空导弹 装备歼20

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

研世Don’t stop when you’re tired. Stop when you’re done.界首Great things never come from comfort zones.

款空导The key to success is to focus on goals, not obstacles.代空弹装Great things never come from comfort zones.备歼Don’t stop when you’re tired. Stop when you’re done.

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

界首Do something today that your future self will thank you for.

款空导Wake up with determination. Go to bed with satisfaction.代空弹装Push yourself, because no one else is going to do it for you.

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Your limitation—it’s only your imagination.界首The only way to do great work is to love what you do.

(责任编辑：雷有辉)