模糊粗糙子群  fuzzy rough subgroups

粗糙不变子群  rough invariant subgroups

粗糙换位子群  Commutater of rough group

粗糙模糊子群  rough fuzzy subgroup; rough fuzzy semigroup

粗糙正规子群  Rough regulate group

模糊粗糙正规子群  fuzzy rough normal subgroups; fuzzy rough regular subgroups

模糊粗糙子半群  fuzzy rough subsemigroup

粗糙S-子系  rough S-subact

粗糙群  rough groups

粗糙群理论  rough group theory

粗糙子环  Rough subrings; rough subring

可解粗糙群  Soluble rough group

模糊粗糙群  fuzzy rough subgroups

交换子子群  commutator subgroup

交换子子群序列  series of commutator subgroups

[空]气动力粗糙度  Aerodynamic roughness

[空]气动力粗糙面  aerodynamically rough surface

Dubois粗糙模糊集  Dubois rough fuzzy set

FCM-粗糙集  FCM-Rough Sets