观测值(observation)：对某一特定个体搜集的测量值的集合。 名义尺度(nominal scale)：指用数据的标记或名称来识别个体属性的一种变量测量尺度，名义数据既可以是非数值型的，也可以是数值型的。
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paired nominal-scale data 配对计数资料
nominal scale population 名义尺度总体
nominal scale populations 名义尺度总体
Nominal measurement scale 名义测量尺度
nominal full scale value [电] 标称满度值
nominal full scale range 标称满度范围
worldwide tanker nominal freight scale 世界油船基本费率表
N a discrete classification of data, in which data are neither measured nor ordered but subjects are merely allocated to distinct categories: for example, a record of students' course choices constitutes nominal data which could be correlated with school results (无主次的)数据定性分类 [statistics] → compare ordinal scale, interval scale, ratio scale
In the case of Web polls, I am using a non-parametric analysis procedure because Web polls often use a nominal scale to record voter preference.
对于Web民意测验的示例，我使用了非参数分析过程，因为Web民意测验通常使用定类尺度来记录投票者的偏好。
Secondly, model output tracking robust control is proposed under the large-scale mode aggregation and the condition that the controlled nominal system is similar to the reference model.
然后从大系统模型集结为背景提出模型输出跟随控制问题，研究了被控系统的标称系统与理想模型相似时的模型输出跟随控制系统的鲁棒控制问题。
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