sample n. 1.样品,货样。 2.标本;榜样,实例。 3.【统计】典型取样,抽检查。 4.【电讯】信号瞬时值。 5.【冶金】 〔 pl. 〕 锌华。 That is a fair sample of his manners. 那就是他的典型态度。 a light sample 光脉冲。 up to sample 1. 和样品一样[相符]。 2. 可以接受的,可以同意的。 vt. 从…取样,从…抽样;提供;货样;对…进行抽样检查。
Multistage sampling in forest inventory is not restricted to fixed-area sampling units . 森林资源清查中,多阶抽样并不局限于固定面积的抽样单元。
Primary sampling unit 初步抽样单位
Retaining sampled units for changed probability and the optimum matching ratio in successive sampling survey 概率发生变化时的连续抽样及最优匹配比
Are measures adopted to ensure samples units under test are uniquely identified and related to the test data 有否采取措施来确保测试数据是由相关的样本得到?
A type of probability sample in which aggregations of sampling units , called clusters , are sampled at some stage in the process 是一种将样本单元聚集在一起的随机抽样法.样本群在抽样的某一步骤被抽出
Every sampling unit can be certain length , also can be unit of particular area , bulk or cubage , quality or quantum of time 每个取样单位可以是一定长度,也可以是一定面积、体积或容积、质量单位或时间单位等。
Notification letter explaining the purpose of the survey and soliciting cooperation will be mailed to the sampled units beforehand 被选中的单位会预先收到邮寄通知书,解释该统计调查的目的以及请求受访者合作。
Fertilizers - sampling - recommendations for minimum mass of increment of a solid fertilizer to be taken to be representative of the total sampling unit 肥料.第2部分:取样.第7节:代表全部样品的固体肥料最小体积增量推荐标准
During the fieldwork period , an enumerator carrying hisher enumerator identity card issued by the planning department will visit the sampled units 在外勤工作期间,访问员会带备由规划署发出的访问员身分证,到访被选的单位进行访问。
Notification letter explaining the purpose of the survey and soliciting cooperation will be mailed to the sampled units in private residential buildings beforehand 被选中的私人屋宇单位会预先收到邮寄通知书,解释该统计调查的目的以及请求受访者合作。