Normio诺尔米奥normn.规范；标准norm of decrease in value资产减值准则norm-referenced testing参照常模测试normolized thyroxine assay标准化甲状腺素测定norm for detailed estimate预算定额normochromatic erythrocyte正染性红细胞norm-equivalence theorem范数等价定理normotensive hydrocephalus正常压脑积水norm referenced evaluation常模参照评量normothermic heart surgery常温心脏手术norm of conceptual category概念范畴规范