epsilonn.希腊语字母之第五字；[数]小的正数epsilon-free substitutionε无关置换epsilon-free homomorphismε无关同态epsilon type structural system山字型构造体系epsilon or kappa or tau...牛头猎人 拨皮+制皮.epsilon-diaminopymelic alpha acid[医] α, ε-二氨基庚二酸epsilon gamma delta beta Thalassemiaεγδβ地中海贫血