标准摘要
[中文适用范围]： ISO/IEC 19775 的这一部分指定了浏览器提供的一组标准服务，以便作者可以在运行时访问场景图。 此类访问旨在支持与场景图的交互和修改。 [外文原描述]： ISO/IEC 19775-2:2004 specifies a standard set of services that are made available by a browser so that an author can access the scene graph while it is running. Such access is designed to support interaction with, and modification of, the scene graph.
英文名称Information technology - Computer graphics and image processing - Extensible 3D (X3D) - Part 2: Scene Access Interface (SAI)