题目内容
一幅用例图包含的模型元素有（）、（）、（）及用例之间的关系。
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Translate the following sentences into Chinese.1.Genius is 1% inspiration, 99% perspiration. Accordingly, a “genius” is often merely a talented person who has done all of his or her homework.2.Do the best you can in every task, no matter how unimportant it may seem at the time.
无穷大是一个很大的数？
“无穷小”是一个很小的数？
无穷小与无穷大的关系为倒数关系？
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