Closemapping of the relationship dates back to 1990, and has been strengthened by detailed modelling since 2006.
对于这种关系的精密制图可以追溯到1990年，自2006年开始，气象学家制出了这种关系的精密模型。
2
In this example, there is closemapping between the business service and the IT service, but that is not always the case.
在此示例中，业务服务和IT服务之间存在非常紧密的映射，但并非总是如此。
3
'the models should be based on objects because then you get a very closemapping between real objects like people, places, and things and objects in the information systems.'