Sequence: The sequence interface is used to manipulate data objects when ordering across a data object's properties is required (the data object is said to be a sequenced type).
序列：序列接口用于需要在跨数据对象的属性进行排序时操纵数据对象（数据对象被称为一个排序类型）。
That's what interface inheritance means; if you fulfill the contract of the more derived type then you are required to also fulfill the contract of the less derived type.
接口继承就是这样的；如果你要满足派生程度较高的类型的契约的话，你就必须要满足派生程度较低的类型。
To start defining a partial type, create the corresponding UML type (class or interface) in the required package.
在定义局部类型的开始，在要求的栏目中创建相应的uml类型(类型或内表)。
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