Isono矶野ISOabbr.国际标准化组织(=International Standards Organization)isophthalic anhydride异酞酸酐isotravel time circle等时圆isobaric interference同量异序干扰Isoperimetrie problem等周问题Isochrones Hydrographisopropyl carbanilate苯氨甲酸异丙酯isothermic coordinate等温坐标isovaleryl coenzyme A异戊酰辅酶AIsoprenaline Sulphate硫酸异丙肾上腺素[平喘药]isoparametric problem等周问题