数据库 数据库新技术 释文 document type definition, DTD 文档类型定义
- horseshoe bats
- horseshoe diffeomorphism
- horseshoe kidney
- horseshoe kiln
- horseshoe lemma
- Horseshoe map
- horseshoe mapping
- horseshoe mounting
- Horseshoe Nebula
- horseshoe orbit
- horseshoe-shaped curve
- Horseshoe-Shaped Gold
- horseshoe worm
- horse skin
- horsetail embroidery of Sui nationality
- horsetail family
- horsetail fern
- horsetail tree
- horse tamarind
- Horse Thief
- horse-transport vessel
- horse-vaulting of Summer Special Olympics
- horseweed
- horst
- Horst Marschner