activation mechanism
激活机制
热门单词
- abdominal pain
- abridge
- absolute chronology
- absolute threshold
- absolute value sign
- absorption of power
- AC bias
- AC coupled
- accelerated electron engine
- acceleration field
- acceleration instrument
- accession rate
- accommodation bills issued
- according above stated
- acenaphthene
- acetal
- acetone cyanohydrin
- acetylcarbromal
- acetylene
- acetylurea
- acid proof varnish
