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[题目一]rn北京时间2009年3月20日春分,我国某中学的学生,测定学校所在地的地理坐标.
一题一议
【摘 要】
：
[题目一]rn北京时间2009年3月20日春分,我国某中学的学生,测定学校所在地的地理坐标.
【机 构】
：
河北省衡水市第十四中学,053000;宁夏银川高级中学,750004;甘肃省张掖市实验中学,734000
【出 处】
：
地理教育
【发表日期】
：
2009年5期
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