acoustic navigation
声导航
热门单词
- a pair of plant stipules
- abnormal perception
- abort engine
- abortoscope
- abrasion hardness
- absorption flaw detector
- absorption of energy
- abstraction of heat
- acceptor state
- accessory risk
- accumulation test
- accuracy of instrument
- aceric
- Acer
- acetate fibre paste
- Acetobacter
- achiral
- acne decalvans
- acquired stricture of esophagus
- acrobystiolith
- acronine
