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。
2
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.
这个支柱将企业服务映射为企业的业务功能，它将企业服务变为企业业务的一个实体单元和展示。
3
This panel is a laboratory representation of the horizontal surfaces of the production unit and is therefore extremely important.