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Sun Dajun | 論文著者
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Sun Dajun
Departmemt Of Mathematics Langfang Teacher's College
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SUN DAJUN
Departmemt of Mathematics, Langfang Teacher's College
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SUN DAJUN
Departmemt of Mathematics, Langfang Teacher's College
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Sun Dajun
Department Of Mathematics Langfang Teacher's College
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SUN DAJUN
DEPARTMENT OF MATHEMATICS, LANGFANG TEACHER'S COLLEGE