测试团队能够利用新的用例，为增强覆盖率和有效性改善技术，同时获得更精确的范围定义和测试优先权。

Test teams using use cases are able to use new and improving techniques for enhanced coverage and efficiency, as well as more precise scope definition and test prioritization.

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这些技术覆盖较大的范围，从简单的分页和数据库记录排序，再到复杂的通过 Web 表单支持文件上传和编写定制输入验证器。

These range from the pedestrian, such as paging and sorting database records, to the more complex, such as supporting file uploads through Web forms and writing custom input validators.

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Web 2.0覆盖的技术范围较广。

Web 2.0 covers a range of technologies.

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