【简答题】【消耗次数:1】
Fill in the blanks with the words given below. Change the form if necessary.[significant; consequent; conduct; fulfill; assess; competence; obtain; efficiency; convention; charge]4. Julian says he hopes to get a job and find a way to[填空1]a college educatioin.
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【简答题】 Fill in the blanks with the words given below. Change the form if necessary.[significant; consequent; conduct; fulfill; assess; competence; obtain; efficiency; convention; charge]4. Julian says he hopes to get a job and find a way to[填空1]a college educatioin.
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【简答题】 Direction: Fill in the blanks with the words given below. Change the form if necessary.[dodge; mean; tease; disability; regular; bonus; proclaim; universal]3. That is a[填空1]trick!
【简答题】 Direction: Fill in the blanks with the words given below. Change the form if necessary.[hug; flatten; ancestor; amazing; solemnly; comfort; awful; desperately; uproot; cousin]8. I asked if he employed someone to do this[填空1]job for him.
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随机题目
【判断题】 对于典型二阶系统,在欠阻尼状态下,如果增加阻尼比ξ的数值,则其动态性能指标中的最大超调量将不变。
①  正确
②  错误
【判断题】 对于典型二阶系统,当阻尼比不变时,如果增加无阻尼振荡频率ωn的数值,其动态性能指标中的调整时间ts减少。
①  正确
②  错误
【判断题】 控制系统的稳态误差反映了系统的稳态性能。
①  正确
②  错误
【判断题】 对数频率特性曲线又称伯德图,包括对数幅频和对数相频两条曲线。
①  正确
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【判断题】 Mason(梅逊公式)公式适用于线性和非线性定常系统。
①  正确
②  错误
【判断题】 控制系统希望的输出量和实际的输出量之差称为误差,其稳态的分量称为稳态误差或称静态误差。
①  正确
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【判断题】 闭环传递函数中积分环节的个数决定了系统的类型。
①  正确
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①  正确
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【判断题】 稳定裕量包括相位裕量和幅值裕量。
①  正确
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①  正确
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