系统软件 语言与编译 释文 extensible markup language, XML 可扩展标记语言
- omphalos
- omputer aided apparel pattern design
- OMR
- OMS
- OMSDs
- Omsk
- Omsk oblast
- omtimeter
- Omusati Region
- OMVPE
- ON
- On 1/6 of the World's Land
- on acclimatization
- on ancient books circulation
- On Ancient Chinese Character Font
- On Art creation
- On Authority
- On Average
- on axis hologram
- on-axis hologram
- on axis point
- on-axis point
- on-axis three-mirror optical system
- On A Young China
- ONB