The basic representationunit in most rule-based expert systems.
在大多数基于规则的专家系统中的基本表示单元。
2
For these purposes of intended unitrepresentation, an optional conceptual attribute with a default value of false exists on a unit, as shown in Listing 5.
为了达到有意单元表示的目的，在这个单元上有一个带有错误默认值的非强制性概念性属性，如清单5所示。
3
This pillar aligns enterprise services to enterprise functions where the service becomes an entity or representation of a "unit of work" that the business performs.