前言：通过赴企业调研，收集信息和资料，为进一步完善金属材料专业粉末冶金高职教育教研教改进行了探讨与实践。
Based on the investigation in the enterprises, this paper discusses and fulfils the teaching reform and research on one of the courses of metal and material specialty: Powder metallurgy.
通过对重庆市街道绿化的详尽调研和问题根源的分析，提出该领域理论与实践的诸多现实问题。
Through detailed research and analysis of root causes of the streets Greening in Chongqing, propose many practical problems of theory and practice in this area.
因此，通过对企业开展体育赞助的过程进行调研，无疑具有重大的理论意义和实践价值。
There is no doubt that the research on the process of the enterprise sponsoring the sports has momentous theoretical significance and true colour.
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