EPSW Electric mapping System is applied widely, the platform impetuses and solves the unresolved problems in surveying and mappingdomain and GIS front profession.
Although inheritance mapping is part of domain objects, we treat it separately due to its importance.
尽管继承映射是领域对象的一部分，出于它的重要性我们将它单独出来。
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One of the key problem in reverse-engineering is the well-known "concept assignment problem" -- i.e., the mapping of domain concepts to elements of the source code.