complementarity

complementarity
(pl. -ies)
  1. [mass noun]a relationship or situation in which two or more different things enhance or emphasize each other's qualities or form a balanced whole
    互为补充;相辅相成
    a culture based on the complementarity of men and women.
    建立在阴阳互补基础上的文化。
    ■(Physics)the concept that two contrasted theories, such as the wave and particle theories of light, may be able to explain a set of phenomena, although each separately only accounts for some aspects
    (物理)互补性,并协性
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