It can strengthen practical skills with theory and theory,on the other hand, can prove correct in practice.Meanwhile,it is a good way to achieve the goal of broadening the vision and enriching the knowlege system.In one word.all above focus on aiding participants in their forming objective and rational overview towards their specific area and feel pulse of reality.
不好意思,最后一句头重脚轻,自己改改吧
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