四,选择对象(Selecting Objects) 在项目浏览器(Project Explorer)中选择一个对象,同时在工作区也自动被选择.
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Basics of Selecting Objects 选择对象的基本知识
selecting objects with frame 框选功能
Selecting Multiple Objects 选择多个对象
Selecting and Editing Multiple Objects 选择和编辑多个目标
The set of controls allows using gestures for scrolling, selecting, rotating objects and controlling menus.
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The work, by Professor Brian Butterworth, has shown that dyscalculic children are troubled by even the simplest numerical tasks such as selecting the larger of two numbers or counting the number of objects in a display.
BBC: two dice
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