Rather than redefine a specific structure, you simply "include" the header file in your code (a simple form of code reuse) and code to the header file's specifications.

不需要重新定义一个特定的结构，您只需要将头文件“包含”在您的代码(代码重用的一种简单形式)中，并按照头文件中的规范编写代码。

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The management of graphic unit adopts the data structure of double linked list and save graphics in the form of data file.

对图元的管理则使用双向链表的结构，以数据文件的形式保存图形。

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The utility model has the advantages of low manufacturing cost, simple structure and convenient operation, and can form an own system which can replace the existing common file.

本实用新型造成本低，结构简单，使用方便，可自成体系取代现行普通锉刀。

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