Finding the last occurrence of an element, such as the last list item in a bulleted list, or the last option in a selection list, is also a common operation.
找到元素的最后一次出现(比如项目列表中的最后一个列表项，或者选择列表中的最后一个选项)也是一个常见操作。
Enumerated types such as this are good candidates for visual form constructs such as a drop-down list, which permits the selection of one option among a finite list of possibilities.
这种枚举类型是诸如下拉列表等可视表单构造的良好选择，它允许在一个有限的可能选项列表中选择一个选项。
The module pops up a thumbnail window activated by your selection of an option in the threshold drop-down list.
这个模块会弹出一个缩略窗口，它是由您在临界值下拉列表的选择所激活的。
The module pops up a thumbnail window activated by your selection of an option in the threshold drop-down list.
这个模块会弹出一个缩略窗口，它是由您在临界值下拉列表的选择所激活的。
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