noun🔗Share二元性，对偶性。 A classification into two subclasses or opposed parts."The student government meeting exposed the duality of opinions on the new dress code: some wanted more freedom, while others preferred stricter rules. "学生会的会议暴露了关于新着装规定的意见的二元性：有些人想要更多的自由，而另一些人则更喜欢更严格的规定。philosophytheorylogicChat with AIVocabulary GamePractice Reading
noun🔗Share对偶性，二重性 (projective geometry) The interchangeability of points and planes."In projective geometry, the principle of duality allows us to swap the roles of points and planes in a theorem to create a new, equally valid theorem. "在射影几何中，对偶性原理允许我们在一个定理中互换点和面的角色，从而创造出一个新的、同样有效的定理。mathspaceChat with AIVocabulary GamePractice Reading
noun🔗Share对偶性，二元性 The mathematical equivalence of two seemingly different theoretical descriptions of a physical system."The physics student was fascinated by the duality of light, understanding that it can be accurately described as both a wave and a particle, depending on how it's measured. "这位物理系学生对光的对偶性着迷不已，他明白了光可以被准确地描述为波，也可以被准确地描述为粒子，这取决于测量方式。physicsmaththeorysystemChat with AIVocabulary GamePractice Reading
