题目内容
The ordinal scale of measurement has the properties of the（）
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In a questionnaire, respondents are asked to mark their gender as male or female. Gender is an example of the（）
Some hotels ask their guests to rate the hotel’s services as excellent, very good, good, and poor. This is an example of the（）
当金属塑性变形程度相当大时，晶体位相将__变化（）
Brace-map is for______（）
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