使用恰当的工具测量和分析代码，以获得最典型的用户交互。
Use appropriate tools to measure and profile your code for the most typical user interactions.
在大多数情况下，主要的交互位于用户和系统之间。
In the majority of cases, the primary interaction is between a user and the system.
用户体验设计包括交互设计和视觉设计两部分。
User Experience design means both interaction design and visual design.
使用专家系统而发生的用户和专家系统之间的交互作用。
The interaction between user and expert system arising from the expert system's use.
使用专家系统而发生的用户和专家系统之间的交互作用。
The interaction between user and expert system arising from the expert system 's use.
能够设计和实现很好的用户交互体验；
Be able to design and implement a good user interaction experience;
能够设计和实现很好的用户交互体验；
Be able to design and implement a good user interaction experience;
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