但这项制度的构造性缺陷依然比较明显,不论是该制度的实体规定,还是程序设计,多原则性而少操作性和针对性,难以在实践中运用。
But it is obviously that this system is due to be constructed. Even stipulated in the programming, the entity system, the multi-senses of principle had not been operational and pointed our till now.
相反,我们的方法规定如果设计是必需的则要分离逻辑和物理,但是如果并不要求设计是必需的,则允许你将一个实体视为一个黑盒子。
On the contrary, our approach prescribes logical and physical separation if design is required but allows you to treat an entity as a black box if no design is needed.
比如,给定一个DTD的系统标识符和公共标识符,实体目录可用于规定XML处理程序从哪里加载dtd。
For example, an entity catalog can be used to specify the location from which an XML processor loads a DTD, given the system and public identifiers for that DTD.
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