【单选题】【消耗次数:1】
急救医疗服务体系是
emergency medicine
emergency medicine service system
department of emergency
nursing in emergency
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相关题目
【单选题】 emergency medicine是
①  院前急救
②  重症监护
③  急诊科
④  急诊医学
【单选题】 急救医疗服务体系是
①  emergency medicine
②  emergency medicine service system
③  department of emergency
④  nursing in emergency
【单选题】 An emergency _____ is very important in case of fire.
①  exit
②  deposit
③  discharge
④  elaborate
【单选题】 In such an emergency, one has no time to think carefully but to act ( ).
①  exactly
②  precisely
③  hastily
④  instinctively
【单选题】 This is a very difficult operation. It is essential that you __________ for emergency.
①  are to be prepared
②  would prepared
③  be prepared
④  must be prepared
【判断题】 急救医疗服务体系包括现场救护、院内急救、监护。
①  正确
②  错误
【简答题】 Direction: Fill in the blanks with the words given below. Change the form if necessary.[assumption; contact; cliff; equivalent; emergency; outweigh; height; rummage; vibration; bugbear]3. Money is my biggest[填空1].
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【简答题】 Direction: Fill in the blanks with the words given below. Change the form if necessary.[assumption; contact; cliff; equivalent; emergency; outweigh; height; rummage; vibration; bugbear]6. The most maddening problem, however, was[填空1].
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【单选题】 为了增加系统响应的快速性,我们应该在系统中引入()环节进行调节。
①  比例
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③  微分
④  1
【单选题】 .SPWM技术中,调制波是频率和期望波相同的
①  A.正弦波
②  B.方波
③  C.等腰三角波
④  D.锯齿波
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①  A.M法
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【判断题】 与开环系统相比,单闭环调速系统的稳态速降减小了。
①  正确
②  错误
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①  A.抗扰性
②  B.稳定性
③  C.快速性
④  D.准确性
【单选题】 可以使系统在无静差的情况下保持恒速运行,实现无静差调速的是
①  A.比例控制
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④  D.比例微分控制
【单选题】 绕线式异步电动机双馈调速,如原处于低同步电动运行,在转子侧加入与转子反电动势相位相同的反电)
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①  A.正弦波
②  B.方波
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【单选题】 绕线式异步电动机双馈调速,如原处于低同步电动运行,在转子侧加入与转子反电动势相位相同的反电)
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③  nn,输出功率高于输入功率
④  D1nn,输出功率低于输入功率
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