The Substance of nominal scaling , ordinal scaling , interval scaling and radio scaling is the result that the spatial construction of the research object X was apprased by the apprased partial odering set(A,≤).
定名量表、顺序量表、间距量表和比率量表的实质是研究对象X的空间结构被评价偏序集(A,≤)评价的结果。