Legacy applications may be brought into the MDA, however, by wrapping them with a layer of code that is consistent with an MDA core model.

但是，通过包装与MDA核心模型一致的代码层，遗留应用程序也可以引入到MDA中。

youdao

This is sometimes called data hiding, but the data is not really hidden, just protected inside another layer of code.

有时这叫数据隐藏，但是数据并未被真正隐藏，只不过被保护在另一层代码内罢了。

youdao

This is sometimes called data hiding, but the data is not really hidden, just protected inside another layer of code.

有时这叫数据隐藏，但是数据并未被真正隐藏，只不过被保护在另一层代码内罢了。

youdao