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为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7<
Bounds for Certain Character Sums
【摘 要】
：
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7
【机 构】
：
Department of Mathematical Sciences, Tsinghua University, Beijing 100084, China
【出 处】
：
清华大学学报（英文版）
【发表日期】
：
2003年5期
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