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No TPTP formula. May not be expressible in strict first order. engineering.kif 1064-1064 晶体管半导体元件subclass
No TPTP formula. May not be expressible in strict first order. engineering.kif 1083-1083 Bjt晶体管晶体管subclass
No TPTP formula. May not be expressible in strict first order. engineering.kif 1087-1087 Fet 晶体管晶体管subclass


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