Global value chain theory, industrial cluster theory and firm capability theory are three important theoretical frameworks which are applied to analyze upgrading.
全球价值链理论、产业集群理论以及企业能力理论是研究企业升级问题的三种重要理论。
The objectives and tendency of modernity exert fundamental influence on the research approaches and theoretical frameworks of sociology.
现代性的目标及其走势对社会学研究理路和学理框架，具有根本性的影响。
The present research is conducted in the theoretical frameworks of speech act theory, variation theory and politeness theory respectively.
本文的理论框架为言语行为理论，礼貌理论和变异理论。
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