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问题 判断题

矩阵的组合特性是矩阵乘法满足结合率，不满足交换率，即进行连续变换时一定要按变换次序对变换矩阵求积后才得到总的变换矩阵。

答案

参考答案：错

多项选择题

控制性详细规划的编制通常划分为( )几个阶段。

A．现状分析研究

B．规划研究

C．控制研究

D．未来预测

E．成果编制
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单项选择题

Questions 16 to 20 are based on the following talk.

A. Even strangers to England have a clear vision about a traditional British breakfast.
B. A traditional British breakfast is not nourishing and so is added with more protein.
C. The traditional British breakfast at a greasy caré is less than 50% the atmosphere.
D. The traditional British breakfast is getting more popular in London.
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