一个数据库解决方案包括三个部分的软件。

There are three software pieces of a database solution.

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他们认为，评价系统包括三个部分：态度、介入、级差。

There are three sub-systems in Appraisal Theory—Attitude, Engagement and Graduation.

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有很多研究可用性的方法，但是最基本和最有用的是用户测试，包括三个部分

There are many methods for studying usability, but the most basic and useful is user testing, which has 3 components

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