a fifteen minutes frequency
每个十五分钟测一次
热门单词
- abolition of ground-rent
- absolute activity method
- absolute heating effect
- acceptance of promissory notes
- accidental wound
- accounting concept
- accumulated stock
- acetate record
- acetum
- acetyl chloride
- acetylaminoglucosidase
- acetylene cylinder
- acetylene series
- achloroblepsia
- acid phosphate
- acid process
- acidophilic adenoma of pituitary
- acipimox
- acorn
- acoustic dipole
- acoustic modification
