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把数据导出来,把其中一个纬度的坐标归零。这样相当于 三体中的二向箔……,一巴掌拍成二维,再用切面面积去算,切二维面不知道能不能行:mianmo:
归零操作如果用方块编辑还是挺快的,把某一列删了,插入一列0。