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学校中有若干系,每个系有若干班级和教研室,每个教研室有若干教员,其中有的教授和副教授每人各带若干研究生;每个若干学生,每个学生选修若干课程,每门课可由若干学生选修。请用 E 一 R 图画出此学校的概念模型。
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【简答题】BattleBots: Let the s Begin! Do you know what a "Boxbot", "Flipper", or "Thwackbot" is? They are types of robots that are built to fight one another on television. BattleBots is an American compan...
【简答题】阅读短文，选词填空。 jobs map look useful took how part What do you know about a robot? Robots are machines that can be made to do certain things. They are in all shapes. For example, puppy (a young...
【简答题】A: Hi, James! B: Hi, Mr Black! What’s that behind you? A: 小题1: B: A robot(机器人)? What can it do for you? A: It can help me remember a lot of important things. B: Really? It sounds very interesting.小题2:...
【简答题】变动制造费用效率差异即为变动制造费用的价格差异。( ) Y、对 N、错
【单选题】What can robot do?
A.
Walk or roll on wheels
B.
Do housework, such as cleaning, washing.
C.
Both A and B.
【单选题】What can robot do?
A.
Walk or roll on wheels
B.
Do housework, such as cleaning, washing
C.
Both
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