A.名義測(cè)度(nominal measurement) B.序次測(cè)度(ordinal measurement) C.間距測(cè)度(interval measurement) D.比率測(cè)度(ration measurement)
A.Endnote B.Refworks C.Biblioscape D.Zotero
A.旅游需求預(yù)測(cè) B.旅游數(shù)量分析 C.超額預(yù)訂問(wèn)題 D.旅游線(xiàn)路優(yōu)化