Isome井染ISOabbr.国际标准化组织(=International Standards Organization)isotomic dichotomy相等二歧分枝isobornyl valerate戊酸异冰片酯iso-immunization同种免疫isostatic buoyancy均衡浮力isovalerianic acid异戊酸isosmotic solution等渗溶液isopropyl chloride异丙基氯,2-氯丙烷isometric plotting等距描图isodose projection等剂量投照isomorphous series同晶型系