ISUabbr.[军] Itegrated Sight-Unit；整体式瞄准镜装置isv.是（be的第三人称单数一般现在时）issuing office售票室,文献出版单位ischemic state缺血状态Is it hot?辣吗?ischemic focus缺血灶iss-crossing交叉杂交ischemic sroke缺血性脑卒中Ischyja manlian.蓝条夜蛾Ising coupling伊辛耦合ischiopubotomy[医] 耻骨坐骨支切开术ischiocapsular[医] 坐骨囊韧带的