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[未归类] PPD皮试的权威结论!!!!!!!!!!!!!!!!!1 |
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soaring
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That I would be good,
even if I did nothing; That I would be good, even if I got thumbs down; That I would be good if I got and stayed sick; That I would be good even if I gained ten pounds; That I would be fine even if I went bankrupt; ......... |
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常函数和指数函数e的x次方走在街上,远远看到微分算子,
常函数吓得慌忙躲藏,说:“被它微分一下,我就什么都没有啦!” 指数函数不慌不忙道:“它可不能把我怎么样,我是e的x次方!” 指数函数与微分算子相遇。 指数函数自我介绍道:“你好,我是e的x次方。” 微分算子道:“你好,我是‘d/dy!’ |
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