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【简答题】
已知 , 。 求 u (= u 1 + u 2 ) 的有效值和初相位。
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DFD: Data Flow Diagrams
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SFD:System Flow Diagram
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@
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&
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+
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^
【单选题】According to ________, the linguistic forms or symbols, in other words, the words used in a language are simply labels of the objects they stand for.
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t he conceptualist view
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g,l
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l,g
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s,g
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s,l
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aq,g
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s,aq
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g,l
【判断题】当两车准备连挂时,其中一个车钩必须处于开锁位置。
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错误
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