它为研究英语民族的文化传统和人文历史特点提供了宝贵的材料。
Idioms are the precious materials for the study of cultural traditions and the characteristics of human history of English people.
这是传统材料的研究，我们从中可以学习。
It is a exploration of the traditional materials so we can learn from them.
本文介绍了国内外现行锰锌铁氧体材料的制备方法及研究进展，包括传统的干法工艺和湿法工艺。
This paper is introduced the domestic and foreign current manganese zinc ferrite material preparation method and research progress, including the traditional one does the law craft and wet law craft.
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