该文件提供了建筑管理（BM）及其建筑服务的结构，并提供了建筑管理领域的术语和定义，以便大家了解。该文件并不旨在描述建筑物管理系统

The document provides a structure of Building Management (BM) and its Building Services and gives terms and definitions in the field of Building Management for general understanding. The document does not purport to describe Building Management Systems.