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duality 音标拼音: [du'æləti]
n. 二元性 二元性 duality 对偶性 duality 自偶性 duality 对偶性 duality n 1: being twofold; a classification into two opposed parts or subclasses; "the dichotomy between eastern and western culture" [synonym: {dichotomy}, {duality}] 2: (physics) the property of matter and electromagnetic radiation that is characterized by the fact that some properties can be explained best by wave theory and others by particle theory [synonym: {duality}, {wave-particle duality}] 3: (geometry) the interchangeability of the roles of points and planes in the theorems of projective geometry Duality \Du"al"i*ty\, n. [L. dualitas: cf. F. dualit['e].]
The quality or condition of being two or twofold; dual character or usage. [1913 Webster]
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