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astr- abbr.
gen. ; 天体; 宇宙飞船; 太空旅行
 English thesaurus
astr [æstr] abbr.
abbr. astrionics; astronomer; astronomic; astronomical; astronomy
astr. abbr.
abbr. astronomical
abbr., earth.sc. astronomy
ASTR [æstr] abbr.
abbr. Aerospace Systems Test Reactor
abbr., astronaut. aerospace test reactor
abbr., nucl.phys. aircraft shield test reactor