We use the same strategy of checking the resource extension as a trigger point, as shown below.
我们使用与触发点相同的资源扩展检查策略，如下所示。
2
Since you want the user to be able to trigger the extension functionality, you'll provide them with a couple of toolbar buttons.
因为希望用户能够触发扩展功能，还需要提供两个工具栏按钮。
3
PXI supplies firm industrial encapsulation, more instruments module extension slot and advanced capabilities of trigger, timing and side-band communication.