释义
专有名词proper noun
- 1Initialism of sub-Saharan Africa.
- 2(European Union, space) Initialism of Space Situational Awareness, a programme of the ESA.
- 3(government, US) Initialism of Social Security Administration.
名词noun
- 1(geometry) Initialism of side side angle, a geometric proof reason.
- 2(engineering) Initialism of specific surface area.
- 3(management) Initialism of supervisory special agent