If so, then the current entry must be a folder, and you push its name and recursion level onto an auxiliary stack as well as adding it to the tree.
如果具有子代，那么当前条目必须是一个文件夹，您要将其名称和递归级别推到辅助堆栈上并将它们添加到树中。
By adding auxiliary calculating information into parse tree nodes, formula string input by users is converted into temporary codes; finally we get the correct result.
公式计算是通过在公式语法解析返回的语法树的结点中添加辅助计算信息，将用户输入的公式串转换成中间代码，最后得到公式计算结果。
The insoluble dietary fiber of raisin tree can be used for preparing food, functional food or medicines, or be taken as raw material or auxiliary material of food, functional food or medicines.
可用于制备食品、功能性食品或药品，或作为食品、功能性食品或药品的原料或辅料。
The insoluble dietary fiber of raisin tree can be used for preparing food, functional food or medicines, or be taken as raw material or auxiliary material of food, functional food or medicines.
可用于制备食品、功能性食品或药品，或作为食品、功能性食品或药品的原料或辅料。
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