POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
MATERIAL_SPECIFIC_COMPOSITION
SUBTYPE OF
(
material_composition
);
part :
material
;
UNIQUE
si:
transient_association
.end_time,
transient_association
.start_time,
material_composition
.whole, part;
END_ENTITY
; (* material_specific_composition *)
Generated on Tue Jul 10 19:38:06 2001
© Copyright 2001 POSC. All rights reserved.