在用这些工具进行绘图时，通过鼠标操作自动设置坐标点和工具类型(比如方框)，并通过GUI环境选择画笔和笔画宽度。
In drawing with those tools, the mouse automatically sets the coordinate points and the type of tool, such as a box, and selects the pen and stroke for you via a GUI environment.
在用这些工具进行绘图时，通过鼠标操作自动设置坐标点和工具类型(比如方框)，并通过GUI环境选择画笔和笔画宽度。
In drawing with those tools, the mouse automatically sets the coordinate points and the type of tool, such as a box, and selects the pen and stroke for you via a GUI environment.
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