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分子式C18H21NO3。属异喹啉类生物碱。
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preventive maintenance of aircraft materiel
preventive preservation
preventive test for electrical equipment
preventive treatment mode
preventive treatment of disease
preventive vaccine
Preview In The Mind of Film Or TV
previous access router
previous access router, PAR
previous care-of address
previous care-of address, PCoA
previous crop characteristics in rotation system
previous crop in rotation system
previous prime
prevision of society
pre-visualization
prewarning of agrometeorological disasters
pre-warning signals of sudden agrometeorological disasters
pre-wetting sizing
pre-white dwarf
pre-write compensation
prey-predator
prey-predator relation
prey selection index of fish
Pre-zhou Culture
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