使用()代替传统的功能说明,往往能够更好地获取用户需求,它所回答的问题是“系统应该为每个(或每类)用户做什么”。
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一幅用例图包含的模型元素有()、()、()及用例之间的关系。
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.