When you see the black arrow display on the left of the edge and the narrow bounding rectangle, as shown in figure 8, drop the component.
如图8所示,当看到左边缘上显示黑色箭头,并伴有狭长的外接矩形时,放下该组件。
Click the down arrow and a drop-down list will appear.
单击向下箭头,会出现一个下拉列表。
Use the drop down arrow to display a list of all parameters as shown below.
使用下拉箭头显示所有参数的列表,如下所示。
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