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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<
1950-2000年中国北方干旱气候变化
【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】
：
Shanxi Agricultural Meteorology Center,Taiyuan 030002,China;National Climate Center,Beijing 100081,C
【出 处】
：
黑龙江科技学院学报
【发表日期】
：
2003年4期
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