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| 21. | You may want to sketch different ways of fitting top-level containers together in the interface. Sketching the framework is an iterative process that is best performed with a small, collaborative group of one or two interaction designers and a visual or industrial designer. |
| 你可以用勾画不同的草图来在界面上排列组合这些高层次的容器，勾画大致的框架是一个反复的过程，最好由一到两个交互设计者、一个视觉设计者或者一个工业设计者组成的小的合作小组来进行。 |
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| 22. | With the higher resolution of GUI displays, enough choices could be displayed on the menu bar to organize all the program’s functions into about a half-dozen meaningful groups, each group represented by a one-word menu title. |
| 随着图形用户界面显示分辨率的增加，菜单栏上能够显示足够多的选项。 把程序的所有功能组织成半打有意义的分组，每组由一个单词的菜单标题代表。 |
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| 23. | A truly useful evolution of the toolbar idiom is the contextual toolbar. Similar to a right-click contextual menu, it provides a small group of butcons adjacent to the mouse cursor. |
| 情境工具栏是工具栏真正有用的演变，和右键单击弹出的情境菜单类似，它是鼠标光标旁边显示的一小组图标按钮。 |
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| 24. | Selection and entry controls are the two controls used to define nouns (in addition to direction manipulation idioms). A selection control allows the user to choose this noun from a group of valid choices. Selection controls are also used to configure actions—in the case of a direct manipulation idiom, the noun may be defined and the selection control is used to define an adjective or adverb. |
| 选择控件和输入控件是两类用于选择名词的控件，选择控件允许用户从一组有效的选项中选择一个操作数，它还可以被用来设定操作——在直接操作的习惯用法中，名词被定义好了，选择控件则可以被用来定义形容词或者副词。 |
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| 25. | The menu for each group was also roomy enough to include all its related functions. The need to go to additional levels of menus was made almost superfluous. |
| 每组菜单也有足够的空间包含所有的相关功能，增加更多菜单层次的需求也几乎变得多余。 |
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| 26. | Two types of symmetry are most often employed in interfaces: vertical axial symmetry (symmetry along a vertical line, usually drawn down the middle of a group of elements) or diagonal axial symmetry (symmetry along a diagonal line). |
| 界面中常用到两种对称，即垂直轴对称（沿一根垂直线对称，此线常位于一组元素的中央）或对角线对称（沿对角线对称）。 |
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| 27. | Both groups must be satisfied. It is no good to satisfy one-half of the population while angering the other half, regardless of which particular group you or your developers align yourselves with. |
| 两派人员都应该感到满意，使一部分人感到满意而激怒另外一部分人是没有好处的，无论你或者你的开发人员属于哪一派。 |
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| 28. | While this can undoubtedly be a valuable tool to uncover one aspect of a user’s mental model, the technique assumes that the subject has refined organizational skills, and that the way that they sort a group of abstract topics will correlate to the way they will end up wanting to use your product. This is clearly not always the case. |
| 卡片分类的确有助于理解用户心理模型的某些方面，但前提是用户必须具备精确的组织能力。 对于抽象主题的分类与期望的产品使用方式存在一定的关联，显然，事情往往并非如此。 |
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| 29. | Many programs that implement single Undo treat the last undone action as an undoable action. In effect, this makes a second invocation of the Undo function a minimal Redo function. Group multiple Undo |
| 很多实现了单次撤销的程序将最后一次撤销操作当做可以撤销的操作，实际上这样第2次调用撤销功能就成了最小的恢复功能。 |
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| 30. | One of the most powerful tools for doing so is market segmentation, which typically uses data from focus groups and market surveys to group potential customers by demographic criteria (such as age, gender, educational level, and home zip code) to determine what types of consumers will be most receptive to a particular product or marketing message. |
| 它将具有不同需求的人们进行分组，以确定什么类型的消费者最容易接受某种特定的产品或者市场消息。 市场人员根据一组人口统计学变量，诸如年龄、性别、教育程度、居住位置来划分消费者，这些原始数据的收集通常通过结合市场调研和焦点小组的方式进行。 |
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