而另一方面，人则作为思维的主体不断改造自然，缔造文化。
On the other hand, human as the subject of mind is gradually changing the nature and creating the culture.
教育应该从儿童的兴趣出发，以活动组织学习，从做中学，不断改造自己的经验。
Education should be child's interest, so as to the activities of the organization to learn from doing, continue to transform the experience of their own.
本文介绍了宁夏青铜峡铝业集团公司，不断改造电解直流稳流系统，达到节能增效的目的。
This paper introduces the constant-current system modification for energy conservation in Ningxia Qingtongxia Aluminum Group.
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