contour records

例句：

1. 1. The artist carefully drew the contours of the landscape on his sketchbook.
   艺术家在素描本上仔细地绘制了风景的轮廓。
2. 2.The archaeologists found a set of contour records that could help them reconstruct the lost civilization.
   考古学家发现了一套轮廓记录，可以帮助他们重建失落的文明。
3. 3. The contour records were used to create a detailed map of the area.
   这些轮廓记录被用来制作该地区的详细地图。