控制模型是描述电信运营图与基本构件信息框架间的（）关系。
参考答案：映射
Do Chinese like playing basketball? ?________. [ ]
A. Yes, he does
B. No, they aren't
C. Yes, they do
D. No, they can't
谐波会导致继电保护和自动装置的误动作，并会使电气测量仪表计量不正确。()
