When you fly over an option, the selection tool displays its description, as shown in Figure 15.
当停留在一个选项上时，选择工具显示它的说明，见图 15。
You can use the selection tool to identify start and end points to reduce the timeframe of the data you want to analyze.
可以使用选择工具标识起点和终点，减小想要分析的数据的时间范围。
Activate any selection tool, then hit the Refine Edge button in the options bar.
激活任意一个框选工具，点击上方属性栏的调整边缘按钮。
When you use a selection tool, the Transparent Background and Opaque Background options appear in the option selector on the Image Editor toolbar (as seen below).
当使用选择工具时，“透明背景”和“不透明背景”选项出现在“图像编辑器”工具栏上的“选项”选择器中(如下所示)。
With the Rectangle Selection tool you can define and select a rectangular region of the image.
使用“矩形选择”工具可以定义和选择图像中的矩形区域。
Now grab the Direct Selection Tool (A) and focus your attention on the most top set of ellipses.
点击直接选择工具（A），将注意力集中在最上面那组椭圆。
Pick the Direct Selection Tool, right click the path you've just created, and choose Stroke path.
选择直接选择工具，右键单击刚刚创建的路径，选择描边路径。
Next, move the pieces into place with your Selection tool. You have now created an isometric cube without using a grid.
下一步，使用选择工具，把每一面移到相应的位置上。现在你在不使用网格的前提下，已经完成了等角立方体的绘制。
The clamping means, cutter selection, tool path planning and cutting parameters determination using three-axis machine for aluminum windshield pieces were studied.
研究了风栅铝片三轴铣削加工中装夹方法、刀具选择、走刀规划以及切削参数确定方法；
The clamping means, cutter selection, tool path planning and cutting parameters determination using three-axis machine for aluminum windshield pieces were studied.
研究了风栅铝片三轴铣削加工中装夹方法、刀具选择、走刀规划以及切削参数确定方法；
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