| 释义 |
abbr- ① 美国国家海洋与大气管理局国家大地测量局(National Geodetic Survey);美国全国地理学会(National Geographic Society)
词路径- entity
- abstraction
- abstract entity
- measure
- quantity
- amount
- definite quantity
- unit of measurement
- unit
- mass unit
- metric weight unit
- weight unit
- nanogram
- ng
上位词- metric weight unit
- weight unit
|