探讨了在信息技术课程中进行研究性学习的原则和方式。
The paper mainly discusses the principles and forms of studying learning in information technology course.
目的探讨老年人左半结肠癌伴梗阻的外科治疗原则和方式。
Objective to probe into the therapeutic principle of cancer in left colon compound with obstruction in aged patients.
阐述了矿业循环经济的基本内涵，指出了矿业循环经济的概念、实施原则和方式。
This paper mainly expounds the basic connotation of recycling economy, points concept, implementary principia and method of mining recycle economy.
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