isoln.孤点元ISOabbr.国际标准化组织(=International Standards Organization)Isoluoma伊索洛马isozooid同类动物体isodonin延命草宁isobosonn.等玻色子数isostacy地壳均衡isochionn.等雪线isoionia离子浓度恒等isoikete等适居性isohenin异土木香内酯, 异阿兰内酯isotache等速线