（）的定义是指符合确定的工业或国家标准或规范，用于按照航空器或其部件制造厂家提供的规范进行维修过程中的加工或辅助加工的材料。这些标准或规范必须是公开发布并在航空器或其部件制造厂家的持续适航文件中明确的。

The college students in China are _______ from smoking on campus because this will do them no good.

I offered him a drink, and he _______ with a smile meaning"Yes."

The doctor suggested that I should _______ and stop worryingabout my children since they were all adults.

What he said in the meeting _______ everybody present.

The little boy ________ to see his dog running up to him.

________ Jane and Mary like different things, they are greatfriends.

It matters little who finds the truth______the truth isfound. because so that so long

You will need _______ more money to buy such a gorgeous dress.

Water and air are _______ to human beings. We can not live without them.

Please _______ me for my rudeness. I really do not know the custom here.