更罕见，被认为是次要的彩虹，这是第二个，暗弧，外弧的首要，在相反的顺序的颜色，这是紫的，红的外面，里面。
More rarely, a secondary rainbow is seen, which is a second, fainter arc, outside the primary arc, with colours in the opposite order, that is, with violet on the outside and red on the inside.
在某些情况下，我们实际可能希望按照相反的顺序遍历这些节点、跳过某些节点或子树或其他一些内容。
In some cases, we may actually want to traverse these nodes in the reverse order, skip certain nodes or subtrees, or something else.
请注意，上述操作将以与创建时相反的顺序(即与在插件清单文件中出现的顺序相反)显示在菜单和工具栏中。
Please note that the actions will be displayed on the menu and toolbar in the reverse order of creation (that is the reverse order of appearance in the plugin manifest file).
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