expressive meaning meaning in Chinese

表达的意义, 表情意义

Dtds , while arguably still most widespread , do not offer a very expressive means of defining a document , and are generally held to be yesterday s technology
Dtd虽然被认为应用最广泛（有争议），没有提供定义文件非常有力的表达方式，通常被看作是昨日的技术。
First - order logic provides ilp with a uniform and very expressive means of representation : the background knowledge and the examples , as well as the mined rules , can all be represented as formulas in a clausal language . so we can use naturally background knowledge in the mining process
一阶逻辑为ilp提供了一致的和非常有表达力的表示手段：背景知识、例子以及挖掘到的知识都可表示为子句语言的公式，所以在挖掘过程中可非常自然地利用背景知识。