In the example structure, there's only one field defined, the unique ID, that will be auto generated by the database.
在这个示例结构中，仅定义了一个字段，即唯一的ID，数据库将自动生成这个值。
This paper describes machining database structure being developed in CAMapplication field.
文中所描述的是在CAM应用领域里开发的机械加工数据库结构。
The method of scanning node creation and a special method of clement generation are adopted. The data structure of used database and an application in multi-medium field region are also introduced.
为实现该方法，笔者采用扫描线节点生成法和一种特殊的单元生成方法，介绍了用于存取各种信息的数据库结构及该方法在处理多种介质混合场域时的应用。
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