POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
COORDINATE_SYSTEM_EARTH_USAGE
(* Local *)
SUBTYPE OF
(
association_reference
);
coordinate_system :
coordinate_system
;
earth_feature :
earth_feature
;
UNIQUE
si: earth_feature, coordinate_system;
END_ENTITY
; (* coordinate_system_earth_usage *)
Generated on Tue Jul 10 19:37:41 2001
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