理学 文档表示 释 file structure 文档结构 在信息领域，文档通常被分为结构化文档，非结构化文档以及半结构化文档。
系统软件 操作系统 释文 file structure 文件结构
- spermidium
- spermine
- spermiogenesis
- sperm motility
- spermocentre
- spermo-nucleus
- sperm-oocyte membrane fusion
- spermospore
- sperm penetration
- sperm penetration path
- sperm(plant)
- sperm pump
- sperm rheotaxis
- Spermsphere
- sperm survival index
- sperm survival time
- sperm transfer
- sperm web
- sperm whale
- Sperner
- Sperner family
- Sperner lemma
- Sperner property
- Sperner system
- Sperner theorem