人类历史的本质是建设而不是破坏，三国历史最可称道的，是与前人有别的三国文化。曹操以经略之才，拨烦理乱，兼肃文教，既有创建文化的自觉......

This paper suggests a principle to find a unitary operator U which transforms non-physical quantity,zero-potential Hamil......