它没有一个预先定义的数据类型或大小，可以包含任意数据。

It does not have a pre-defined data type or size and can contain any data.

youdao

在RPC(和XML - RPC)中，编码只可能针对预先定义的数据类型发生。

In RPC (and XML-RPC), encoding can only occur for a predefined set of data types.

youdao

这些数据类型作为语言的一部分都已经预先定义好，用来表示创建复杂对象基础的原始数据类型。

These data types are all predefined as part of the language and represent the primitive data types from which more complex objects are built.

youdao