The page refers to it as a structured data type similar to variables in Python or Perl.
这个页面将其称作一个类似于Python或Perl中的变量的结构化数据类型。
A structured data type is a form of user-defined data type that contains a sequence of attributes, each of which has a data type.
结构化数据类型是一种用户定义的数据类型，它包含了一系列的属性，每一个属性都有一个数据类型。
Thus we see that a structured data type can have operations defined on its composite values, as well as on the component elements of those values.
由此我们知道数据结构可以有定义在其构成值之上的操作。也有定义在这些值的组成元素上的操作。
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