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The way to get started is to quit talking and begin doing.界首Keep your face always toward the sunshine, and shadows will fall behind you.

款空导Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.代空弹装Don’t stop when you’re tired. Stop when you’re done.备歼Great things never come from comfort zones.

中国You don’t have to be great to start, but you have to start to be great.研世Believe you can and you're halfway there.

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

款空导In the midst of winter, I found there was, within me, an invincible summer.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The harder you work for something, the greater you’ll feel when you achieve it.

研世Great things never come from comfort zones.界首The harder you work for something, the greater you’ll feel when you achieve it.