相互性，互逆性，倒易律 - xiang hu xing, hu ni xing, dao yi lü

translations in German

• Gegenseitigkeit/ Wechselwirkung

translations in English

• reciprocity

translations in Spanish

• reciprocidad

translations in French

• réciprocité

translations in Italian

• reciprocità

translations in Portuguese

• recíproco

translations in Russian

• взаимность

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