网络与数据通信 有线网络 释文 escape character, ESC character 转义字符
- 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
- on-band observation
- On Beauty of Seven Things