What this article introduces is that the application of the method of summing up scientifically in the logic method during chemical teaching.
本文介绍的是逻辑方法中的科学归纳法在化学教学中的运用。
This article introduces the cause and analyses the accident of the rotor holding in death of the boiler feedwater pump summing-up the way and technique measure in the process of repairing.
摘要介绍了大型氨厂锅炉给水泵转子抱死事故的原因，对其进行分析，并对修复过程中采取的方法及技术措施进行了总结。
Summing up the facts of fieldwork, the article explain the impact of cultural ecosystem transition to the inheritance of Tujia brocade crafts.
在这些田野事实的基础上，阐释捞车村文化生态系统变迁对土家织锦工艺传承的影响。
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