首先要确立存储具体数据类型和数据的数据结构，其次实现作用在抽象数据类型和数据上的各种操作。
First of all we have established the data structure of data and data type, secondly we implemented the various operation on the abstract data types and data.
WebSphereIntegrationDeveloper为业务对象的每个字段选择最适合的Dojo小部件，具体取决于数据类型。
WebSphere Integration Developer selects the best-fitting Dojo widget for each field of the business object, depending on data type.
数据类型规范：能够通知ui将特定地址的数据显示为具体的数据类型。例如，此地址表示以null结尾的字符串的开始。
Data type specification: the ability to tell the UI to display the data at a given address as a specific data type - for example, this address represents the start of a null-terminated string.
随着上述两种端口类型之间的一些引用的增加，到目前为止，WSDL文档已经从具体和实际形式(数据类型)转变为抽象和逻辑形式(消息和端口类型)。
The WSDL document so far has moved from the concrete and physical (data typing) to the abstract and logical (messages and port types), with some reference between the two.
然而，通过访问者添加新数据类型(类)较为困难，因为访问者模式要求所有具体类型都具有一个visit方法。
Adding new data types (classes) with visitors is difficult, however, as the visitor pattern requires a visit method for all concrete types.
理想情况下，它也不能看到别的数据类型的具体实现。
Ideally, it has no access to the representation of other data types.
不难看出，针对不同的系统，我们只需要把具体的协议中的用户数据类型做相应的更改即可满足其要求。
It is obvious that, in allusion to different system, we can meet the demand by only making corresponding changes to the user data type in specific protocol.
抽象数据类型简称adt，是一种对数据的逻辑抽象，对他的操作方法无需关注具体的实现。
ADT, is a logical description of how we view the data and the operations that are allowed without regard to how they will be implemented.
目标数据类型以不同的方式存储值，甚至正表示的值也可能更改，具体取决于正执行的转换类型。
The destination data type stores values differently, and even the value being represented might change, depending on the kind of conversion being performed.
目标数据类型以不同的方式存储值，甚至正表示的值也可能更改，具体取决于正执行的转换类型。
The destination data type stores values differently, and even the value being represented might change, depending on the kind of conversion being performed.
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