4-kpc arm
四千秒差距臂
热门单词
- 6,7-dihydroxy-coumarin
- abrupt transformation
- abstraction of observed values
- AC shunt (wound) motor
- acceptable item
- accomodatory ability
- according above stated
- acetate rayon staple
- acetic anhydride
- acid phthalic anhydride
- acidic oxide
- acoretin
- acorn
- acoustic resonance
- acoustic theodolite
- acryloyl chloride
- actinic focus
- actinic melanogen
- action time
- activation of coagulation system
- active plate
