1、 10303-452012 45 . ISO 10303-45:2008Industrial automation systems and integration Product data representationand exchange Part 45: Integrated generic resource: Material and otherengineering properties(IDT) 27 2002 . 184- , 1.02004 . 1 - - - , - 42 459 - 3 30 2012 . 260-4 10303-45:2008 . -. 45. . (IS
2、O 10303-45:2008 Industrial automation systems and integration Product data representation andexchange Part 45: Integrated generic resource: Material and other engineering properties). - , 5 10303-452000 , - . () . - , , 2013 , - - II 10303-4520121 .12 23 , 24 material_property_definition_schema .34.
3、1 .44.2 .44.3 material_property_definition_schema 44.3.1 characterized_material_property 44.3.2 characterized_product_composition_value44.4 material_property_definition_schema .54.4.1 material_designation54.4.2 material_designation_characterization .54.4.3 material_property64.4.4 product_material_co
4、mposition_relationship 64.4.5 property_definition_relationship .74.5 material_property_definition_schema.84.5.1 acyclic_property_definition_relationship85 material_property_representation_schema95.1 .95.2 .95.3 material_property_representation_schema.105.3.1 data_environment.105.3.2 data_environment
5、_relationship.105.3.3 material_property_representation .106 qualified_measure_schema 116.1 116.2 126.3 qualified_measure_schema126.4 qualified_measure_schema 136.4.1 descriptive_representation_item 136.4.2 expanded_uncertainty 136.4.3 maths_value_qualification136.4.4 maths_value_representation_item
6、.146.4.5 maths_value_with_unit146.4.6 measure_qualification 146.4.7 measure_representation_item .156.4.8 precision_qualifier.156.4.9 qualified_representation_item156.4.10 qualitative_uncertainty .156.4.11 standard_uncertainty 166.4.12 type_qualifier.166.4.13 uncertainty_qualifier.16() .18() 19 () -
7、.20D () EXPRESS-G 21() 25() .3132III 10303-452012 10303 - . -, . , . 10303 (). : , , , - , , , , . 10303 http:/www.tc184-sc4.org/titles/STEP_Titles.htm. . SC4 184 . :- material_property_definition_schema;- material_property_representation_schema;- qualified_measure_schema. , , . - 2. , , E. , :- ;-
8、;- ;- ;- ;- ;- ;- ;- ;-;- ;- . , , . , , . , - . , EXPRESS-, :- , 10303-21 3 - 10303, , - , ;- , 10303-22 4 10303, , , ;- 10303, - , -, . , - .IV 10303-452012 10303-45:1998. : - EXPRESS, EXPRESS, EXPRESS . EXPRESS:- characterized_product_composition_value;- maths_value_with_unit;- maths_value_repres
9、entation_item;- maths_value_qualification. product_material_composition_relationship.constituent_amount :- product_material_composition_relationship.constituent_amount : SET1:? OF characterized_product_composition_value. material_designation. 3.3.3 4.4.1 1. , :- measure_qualification;- maths_value_q
10、ualification. :- EXPRESS, ;- , /, 2;- , /, 2;- 3, /, 2;- E, EXPRESS, ;- , , , ;- , , ;- . , 10303, 1 EXPRESS-G, 10303-11., 1, .V 10303-452012VI 10303-452012 1 10303 45 . Industrial automation systems and integration. Product data representation and exchange.Part 45. Integrated generic resource: Mate
11、rial and other engineering properties 201305011 . :- ;- ;- , ;- , , - ;- ;- ;- ;- ;- , . , , , , , , , . :- , ;- . - , . - , ;- . ;- .1 10303-452012 , -, , , 13584 8.2 ( , , ):/ 8824-1 . 1(.1). 1. (ISO/IEC 8824-1, Information technology AbstractSyntax Notation One (ASN.1) Part 1: Specification of ba
12、sic notation) 10303-1 . . 1. (ISO 10303-1, Industrial automation systems and integration Product data representation and exchange Part 1: Overview and fundamental principles) 10303-11 . . 11. . EXPRESS (ISO 10303-11, Industrial automation systems and integration Product data representation andexchange Part 11: Description methods: The EXPRESS language reference manual) 10303-41 .
