位长的组织唯一标识符 o rganization u nique i dentifier ; OUI
在整个企业的范围内，应该为组织中的每个人分配唯一的标识符，并且当他离开组织之后，不再继续使用这个标识符。
Each person in an organization should be assigned a unique identifier across the enterprise that is only assigned to that person, and when that person leaves the organization, it is retired.
例如，眼下并没有要求渔船必须有国际海事组织提供的识别码，它是全球公认且唯一的航运标识符。
Right now, for example, fishing boats aren't required to have an identification code from the International Maritime Organization, the only globally recognized identifier for shipping.
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