丰 N aRab 相互作用 38相互作用 引力 9电磁 Gravit Weak Electromagnetic Strong (Electroweak Carried ByGraviton w' w zo Photon Gluon 3强 (not yet observed) Quarks and Quarks and Quarks Acts on All Leptons Charged Leptons and WW and Gluons 丰相互作用 相互作用 引力 电磁 弱 强