若正常人尿铅分布是对数正态分布,先测定400例正常人尿铅值,以尿铅过高为异常,则其95%正常值范围为 若正常人尿铅分布是对数正态分布,先测定400例正常人尿铅值,以尿铅过高为异常,则其95%正常值范围为 分类:专业英语 题型:简答题 查看答案
The import manifest has to be accompanied by other documents The import manifest has to be accompanied by other documents as may be required 分类:专业英语 题型:简答题 查看答案
Essentially,imports or exports and the vessels carrying the Essentially,imports or exports and the vessels carrying the goods are subject to 分类:专业英语 题型:简答题 查看答案