duality

duality
(pl. -ies)
  1. [mass noun]the quality or condition of being dual
    两重性
    this duality of purpose was discernible in the appointments.
    这一目的的两重性可从任命中看出。
    ■(Mathematics)the property of two theorems, expressions, etc. being dual to each other
    (数)对偶性
    ■(Physics)the quantum-mechanical property of being regardable as both a wave and a particle
    (物理)二像性;对偶性
  2. an instance of opposition or contrast between two concepts or two aspects of something; a dualism
    对立性,二元性
    the simple dualities of his youthful Marxism: capitalism against socialism, bourgeois against prole.
    他不成熟的马克思主义的简单对立: 资本主义与社会主义相对立,资产阶级与无产阶级相对立。
语源
  1. late Middle English: from late Latin dualitas, from dualis (see dual)
英语宝典
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