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20252453-T-424 项目
Cover
Contents
Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions, and abbreviated terms
4 Fundamental concepts and assumptions
5 Core data schemas
6 Shared element data schemas
7 Domain specific data schemas
8 Resource definition data schemas
A Computer interpretable listings
B Alphabetical listings
C Inheritance listings
D Diagrams
E Examples
F Change logs
Bibliography
Index
4.1.5 对象连接性（Object Connectivity）
对象可参与与其他对象的各种连接关系。
General Usage
ApplicableEntity
IfcCableFitting
IfcLightFixture
IfcValve
表 4.1.5.A
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