从编译程序中符号表的总体组织和表项属性信息组织来看，符号表是一种算法复杂性很高的数据结构，而且也不利于用户与图形界面的交互。
Symbol table is data structure which has high arithmetic complexity from whole structure and items' attribute information, and it is inconvenient for users to interact with graphic interface.
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