contour map

(cartography) A map made to show the relief measurements of the land by means of contour lines.

日本語の意味

等高線図（標高や地形の起伏を示す地図）

The hikers studied the contour map carefully before choosing the safest route up the ridge.

ハイカーたちは尾根を登る最も安全なルートを選ぶ前に、等高線図を注意深く調べた。

意味（1）

(cartography) A map made to show the relief measurements of the land by means of contour lines.

contour maps

（ plural ）