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No TPTP formula. May not be expressible in strict first order. engineering.kif 990-990 放大器电路subclass
No TPTP formula. May not be expressible in strict first order. engineering.kif 1000-1000 反相放大器放大器subclass
No TPTP formula. May not be expressible in strict first order. engineering.kif 1005-1005 同相放大器放大器subclass


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