positive studyˈpɔzitivˈstʌdi短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 实证研究 In this dissertation, many approaches are integrated, such as normative study and positive study, qualitative analysis and quantitative analysis, theoretical analysis and practical application. 本文坚持规范研究和实证研究相统一,定性分析与定量分析相结合,理论分析和实践应用于一体。 cnki