二重性 dual nature; duplex character; duality

两重性 duality

劳动二重性 the dual nature of labor; the duality of labor ; two-fold character of labour

美感两重性 duality of aesthetic perception

劳动的二重性 the duplex character of labour;dual character of labour; two-fold character of labour

商品生产的二重性 the dual nature of the production of commodities

严重性 Severity ; Seriousness ; Perceived severity ; Medium

重性抑郁障碍 major depressive disorder ; MDD

商品的二因素（又作商品二重性） the two factors of a commodity: use-value and value (the substance of value and the magnitude of value); dual elements of commodity; commodity duality; duality of commodity