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B计算知A、B的特征值均为2、2、1，A有3个线性无关的特征向量，B只有2个，观察知C为对角矩阵，因此A与C相似，B与C不相似．
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Since World War II, considerable advance
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The Bush Administration appears determin
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Today’s business people live in an over
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You may wonder why anyone would want to
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omparisons were drawn between the develo
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Comparisons were drawn between the devel
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There is now no doubt that the world is
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Personality is to a large extent inheren
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Most London colleges have a library, wit
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Whenever we are involved in a creative a
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Historians of the war can be divided int
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For many people today, reading is no lon
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Teachers need to be aware of the emotion
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Rumor is the most 1 way of spreading st
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Rumor is the most 　1　way of spreading st
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In theory, annual performance reviews ar
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In theory, annual performance reviews ar
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Many theories concerning the causes of j
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Politicians do it. Charities too. And no
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