Symmsn.西姆斯SYMabbr.符号(=symbol)abbr.对称(=symmetry)Symphysial surface of pubis耻骨联合面symplectic ternary algebras辛三代数symlectoteuthis oualaniensi印度洋鸢乌贼symmertic positive solution对称正解symphathico-diaphtheresis多普勒(氏)手术, (生殖腺)交感神经毁损术symphysis manubriosternalis柄胸联合Symlectoteuthis oualaniensis鸢乌贼Syme's staff for urethrotomysymbiotic system agriculture共生系统农业Symplectic orthogonal matrix辛正交阵