题目内容
两台相同的变压器其额定功率为20MVA，负荷功率为18MVA，在额定功率下并列运行，每台变压器空载损耗为22kW，短路损耗135kW，两台变压器总有功损耗为______MW。
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某三相三绕组自耦变压器，额定容量为90MVA，额定电压为220/121/38.5kV，容量比100/100/50，实测的短路试验数据如下：P"k(1-2)=333kW，P"k(1-3)=265kW，P"k(2-3)=277kW(1、2、3分别代表高、中、低压绕组，上标“"”表示未归算到额定容量)，三绕组变压器归算到低压侧等效电路中的RT1，RT2，RT3分别为______。
机电产品国际招标代理机构预乙级资格在人员方面的要求是具有中级以上职称的人员不得少于专职招标从业人员总数的______
"Intelligence" at best is an assumptive construct — the meaning of the word has never been clear. There is more agreement on the kinds of behavior referred to by the term than there is on how to interpret or classify them. But it is generally agreed that a person of high intelligence is one who can grasp ideas readily, make distinctions, reason logically, and make use of verbal and mathematical symbols in solving problems. An intelligence test is a rough measure of a child’s capacity for learning, particularly for learning the kinds of things required in school. It does not measure character, social adjustment, physical endurance, manual skills, or artistic abilities. To criticize it for such failure is roughly comparable to criticizing a thermometer for not measuring wind velocity. Now since the assessment of intelligence is a comparative matter we must be sure that the scale with which we are comparing our subjects provides a "valid" or "fair" comparison.
Please write an argumentation based on the following topic and elaborate your point of view in about 200 words. Remember to write your composition neatly and clearly on ANSWER SHEET II. Some people trust their first impressions about a person’s character because they believe these judgments are generally correct. Other people do not judge a person’s character quickly because they believe first impressions are wrong. Compare these two attitudes. Which of them do you agree with Support your choice with specific examples.
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