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世界上许多事物都具有对称的特点,尤其是动物,一般都可从中轴线上把它分成对等的两半.中国古代的阴阳之说几乎概括了一切事物的对立性:天为阳,地为阴;男为阳,女为阴;单效为阳;双数为阴;山之南为阳,山之北为阴……从某一已知孤立事物上从对称性的特点去思考而有所发现,有所创造的思维方式就叫对立思维.英国物理学家狄拉克从描述自由电子运动的方程中,得出了正负对称的两个能量解,一个能量解对应着负电子,那么另一个能量解对应着什么呢?人们知道电荷正负的对称性,狄拉克从对立思维中提出了存在正电子的电解。他的观点后来被科学实验证实
Many things in the world have symmetry characteristics. Animals, in particular, can generally be divided into two equal parts on the central axis. The theory of yin and yang in ancient China almost summed up the opposite of everything: Heaven is yang and land is Yin; male is male, female is yin; single effect is yang; double number is yin; mountain south is yang, north of mountain is yin... From a symmetry characteristic to some known isolated thing Found that the creative way of thinking is called opposition thinking. British physicist Dirac from the description of the equation of free electron motion, drawn two positive and negative symmetry energy solution, an energy solution corresponds to a negative electron, then Another energy solution corresponds to what? People know the positive and negative symmetry of charge, Dirac from the opposite thinking put forward the existence of positron electrolysis. His view was later confirmed by scientific experiments