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机译:An observational survey of molecular emission ahead of Herbig-Haro objects
Univ Coll London, Dept Phys & Astron, London WC1E 6BT, England;
CSIC, Inst Ciencies Espai, ES-08034 Barcelona, Catalunya, Spain;
Inst Estudis Espacial Catalunya, Barcelona, Spain;
ISM : Herbig-Haro objects; ISM : abundances; ISM : clouds; ISM : molecules; radio lines : ISM; stars : formation; NGC 2264G; CHEMICAL EVOLUTION; BIPOLAR OUTFLOW; EXCITING SOURCE; PROPER MOTIONS; STAR-FORMATION; HH 7-11; HCO+; CONDENSATIONS; LINE;