active galaxy
活动星系
热门单词
- abnormal function
- AC asynchronous motor
- AC potentiometer
- acantha
- accelerated accumulation
- accelerating curve
- accelerometer diaphragm
- acceptance standards for radiography
- account of credit sales
- acetaldehyde ammonia
- acetylene
- achene
- acid esters
- acid regression stage
- acidiferous
- acidolysis
- Acme thread gage
- acme thread tap
- acoric acid
- Acorus
- acosmia
