SPGRn.比重SPabbr.自已推进的(=self-propelled)spherical polisher球面磨光器Spirogyra cleveanan.克里弗水绵spherical parabola球面抛物线spheric aberration球差Spiris kindermannin.丽西伯灯蛾sporidium vaccinae[医] 牛痘孢子虫, 牛痘小体spherical catalyst球形催化剂Spirulinaplatensis螺旋藻Spirillum dunbarii[医] 登巴氏螺菌sporangial vesicle次孢囊