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【单选题】
数学建模的具体步骤包括
A.
模型准备-模型假设-模型求解-模型构成-模型分析-模型检验-模型应用
B.
模型假设-模型准备-模型求解-模型构成-模型分析-模型检验-模型应用
C.
模型准备-模型假设-模型构成-模型求解-模型分析-模型检验-模型应用
D.
模型准备-模型构成-模型求解-模型假设-模型检验-模型应用-模型分析
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A.
每100克酒中含有纯酒精53克
B.
每100克酒中含有纯酒精53毫升
C.
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D.
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【单选题】中国茅台酒的酒度为 53 度,是指________。
A.
每 100 克酒中含有纯酒精 53 克
B.
每 100 克酒中含有纯酒精 53 毫升
C.
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【简答题】在一阶 RC电路中,若C不变,R越大,则换路后过渡过程越 。
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