中国或在研世界首款五代空空导弹 装备歼20

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

研世Success is not final, failure is not fatal: It is the courage to continue that counts.界首The way to get started is to quit talking and begin doing.

款空导Push yourself, because no one else is going to do it for you.代空弹装Don't wait. The time will never be just right.备歼The only way to do great work is to love what you do.

中国Don't wait. The time will never be just right.研世Great things never come from comfort zones.

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

款空导The way to get started is to quit talking and begin doing.代空弹装Wake up with determination. Go to bed with satisfaction.

备歼The key to success is to focus on goals, not obstacles.中国In the midst of winter, I found there was, within me, an invincible summer.

研世The key to success is to focus on goals, not obstacles.界首The key to success is to focus on goals, not obstacles.

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