S-粗集(singular rough sets)具有两类形式:单向S-粗集(one direction S-rough sets)和双向S-粗集(two directionS-rough sets).S-......

S-粗集（singular rough sets）具有两类形式：单向S-粗集（one direction S-roughsets）和双向S-粗集（two direction S-rough sets）。S-粗集具......