Define the datasemantics through a business glossary.
通过业务术语表定义数据语义。
2
Some semantics can be lost during the transformation from an LDM to a class model because LDMs hold richer datasemantics (as in, primary keys) than class models.
在从LDM转换到类模型时，有些语义可能会丢失，因为LDM的数据语义比类模型更加丰富(例如主键)。
3
Knows about differences in semantics and data types.