所以这份陈述资料和基本的认知过程无关。
作者查阅了大量文献及互联网资料，明确了吊舱式电力推进系统的结构与工作过程。
The author refers to lots of literatures and datum on internet, and understands the structure and working process of the podded propulsion.
通过文献资料和问卷调查的研究方法，对陇南地区中学生的体育锻炼动机与行为进行分析探讨。
By means of literature datum and research means, the intention of physical training of middle school student in south Gansu Province.
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