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No TPTP formula. May not be expressible in strict first order. engineering.kif 984-984 电路电器subclass
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 995-995 频率滤波器电路subclass
No TPTP formula. May not be expressible in strict first order. engineering.kif 1010-1010 整流器电路subclass
No TPTP formula. May not be expressible in strict first order. engineering.kif 1044-1044 运算放大器电路subclass


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