紫砂文化
幼苗
共回答了19个问题采纳率:100% 举报
I solemnly declare: I have submitted a thesis and research results, is himself under the guidance of instructor, independent research the results achieved.
Best of my knowledge, unless the reference has been specified content, and the results of this thesis does not contain any content which is copyrighted by others.
Papers and research results of this study involved contribute to the work of other individual and collective, have to clear in the text indicates, and to express my heartfelt thanks.
1年前
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