(subclass Fourpole Multipole) | engineering.kif 587-587 | Fourpole は Multipole の subclass では %n |
(subclass Twoport Fourpole) | engineering.kif 590-590 | Twoport は Fourpole の subclass では %n |
(subclass IdealOperationalAmplifier Fourpole) | engineering.kif 604-604 | IdealOperationalAmplifier は Fourpole の subclass では %n |