Then, through the task analysis, card sorting and focus group, a design sample of IA is put forward based on the target user research, and the design process and method of IA are explored.

然后，通过任务分析用户实验、卡片分类实验和焦点小组方法，探索用户界面信息建构的程序和方法，提出了一个基于目标用户研究的用户界面基本信息架构的设计样本。

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Conclusion: Harm reduction project should be a comprehensive and multi-level and focus on needs of target group and community if the project wants to get successful.

结论：开展减少伤害项目需要以目标人群的需求为中心、以社区为基础，多项目互补。

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They can focus on the issues involved in the campaign and target a particular group of voters.

他们可以集中精力参与活动和目标的一组特定选民的问题。

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