acoustic investigation
声学研究
热门单词
- absorption silencer
- absorptivity emissivity ratio
- accelerating unit
- accelofilter
- acceptable cost approach
- accumulated amount of dry matter
- acetyl hydrate
- acetylcholine iodide
- acid bottom
- acid cell
- acid fermentation
- acid peat soil
- acid-proof material
- aconative
- acontum fischeri
- acoustic reactance
- acoustic velocity logger
- acousto-optic modulator
- acquired attitude
- acrocephalia
- acrylic coated fiber
