The merge order position for the menu item to be merged 要合并的菜单项的合并顺序位置。
Merging cost which reflect region structure property is defined to control merging order 然后引入反映区域结构属性的融合代价来控制融合的顺序。
The merge order of a menu item specifies the relative position that this menu item will assume if the menu structure that the 的菜单结构与另一个菜单结构合并时,此菜单项将采用的相对位置。