工学 空间数据模型 释 spatial data model 空间数据模型 地理信息系统（GIS）中空间数据组织的概念和方法。反映现实世界中空间实体及其相互之间的联系，是描述GIS空间数据组织和进行空间数据库设计的理论基础。
数据库 数据库理论 释文 spatial data model 空间数据模型
- guided wave
- guided wave exploration
- guided wave optical device
- guided-wave optical integrated materials
- guided wave optics
- guide line
- Guideline for Security Classification of Protection Level of Archives Information System
- guideline for stability test of pharmaceutical preparations
- guide Line protection
- Guidelines for Behavioral Performance of Reference and Information Service Providers
- guidelines for collection Development
- guidelines for criminal investigation work
- Guidelines for Determining the Subjects and Selecting the Descriptors
- Guidelines for Electronic Text Encoding and Interchange，TEI
- Guidelines for Establishment and Development of Chinese Thesauri
- Guidelines for Establishment and Development of Monolingual Thesauri
- Guidelines for Establishment and Development of Multilingual Thesauri
- Guidelines for Field Trail Safety Inspection of Genetically Modified Plants
- Guidelines for Implementing and Maintaining Virtual Reference Services
- Guidelines for Japan-US Defense Cooperation
- Guidelines for Journalistic Work
- Guidelines for Journalists and an Annex
- Guidelines for Professional Library/Information Education Programs
- Guidelines for Programming and Broadcasting
- Guidelines for Regulating Exotic Natural Enemies and Biological Control Agents