bottom contours 中文意思是什麼
bottom contours
解釋
底等高線-
Seismographic surveys carried out across the atlantic ocean have shown that there are many deviations and unexplained contours to be found right at the bottom of the ocean
大西洋安放地震儀調查顯示發現有許多偏離和不明原因的等高線正好就在大海的底部。
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