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 高等教育 / 统计学基础

统计整理就是对统计资料进行汇总、加工处理。

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  • [多选题] 下列关于三相异步交流电动机的叙述中,正确的有( )。 A.NP是在额定运行情况下,电动机轴上输出的机械功率 B.NU是在额定运行情况下,外加于定子绕组上的相电压 C.NI是在额定电压下,轴端有额定功率输出时,定子绕组的相电流 D.Nf为我国规定的标准工业用电频率可编程控制器技术
  • [简答题] 简述私人垄断资本主义的基本经济特征。政治课教学研究
  • 题图所示电路中,已知总电流I = 2A,则支路电流I1是 a.0.8Ab.0.2Ac.0.4Ad.1.2A汽车电工电子基础
  • [单选题] ()是现代战争的核心战斗力。 A.人才 B.科技 C.武器 D.战略毛泽东思想和中国特色社会主义理论体系概论
  • (问答题) Directions: Fill the blanks by selecting suitable words from the word bank. You may not use any of the words more than once.The Internet has made English learning much easier. English learners used to be (56)to spend their time in libraries looking for the books that would help them in their language studies. It was very inconvenient because a lot of materials could only be found in (57)and uninteresting textbooks and readers. But today authentic content on a variety of subjects is only a click away. This is especially (58)for those who wants to learn English earnestly.In order to achieve fluency in English, you need to be comfortable using at least at 10,000 words. The (59)materials on the Internet make it possible for you to choose appropriate content to read and listen to. These materials can be (60)to your level if you input some key words in the search engine. But how can you remember the (61)of unfamiliar words?In this case, the Internet (62)makes it easier to learn vocabulary. You can use online dictionaries to instantly find out their grammatical (63)and the specific meaning of these words. The Internet helps you to (64)accumulate vocabulary based on lively and interesting language content, which greatly reduces your (65)caused by inability to remember the new words. The efficiency of this vocabulary learning is one of the reasons why the Internet has become an ideal place to learn English.大学英语4
  • 甲和乙共有两间平房,因拆迁,双方发生争议,甲主张该房是按份共有财产, 乙主张是共同共有财产,但双方都没有证据证明共有性质,甲乙也不存在家庭关系,法院应当认定该房屋是( )A、共同共有B、国家所有C、甲个人所有D、按份共有物权法