单项选择题

以下过渡页属于什么类型？（） A.
目录导航型 B.
独立设计型 C.
传递信息型 D.
创意设计型

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单项选择题

The area of the graph is A , the axis pass through the centroid C and parallel to the axis, the distance between axis and the axis is . It is known that the moment of inertia of the graph with respect to axis is , and the moment of inertia of the graph with respect to axis is ( ). A、; B、; C、; D、.

不定项选择

电路如下图所示，图中RS既引进了直流负反馈, 又引进了交流负反馈, 而RS1仅引进了直流负反馈。 ‏

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