社会技术是人们改造社会世界、调整社会关系、控制社会运行的实践性知识体系。
Social technology is a practical knowledge system by which people reform social world, adjust social relationship and control social operation.
教师的实践性知识主要指教师教学经验的积累。
The practical knowledge mainly indicates teacher's accumulation of teaching experience.
第三部分，在叙述故事的基础上，笔者以研究者的身份再次对张老师的实践性知识进行理解及解读。
Thirdly, based on stories the writer understood and analyzed Miss Zhang's practical knowledge, being a researcher.
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