Most probably the word "intrusive" means ______.
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软件工程学有两个明显的特点:一是强调规范化,二是 【11】 。
According to the author, wisdom still grows even when ______and makes up ______.
The push for excellence is powerful all the way through to higher education.
设关系模式R(A,B,C,D,E),Rdz的函数依赖集F=A→B,C→D,D→E,则R的候选键是 【7】 。