However, the east coast is shown as blank, and the central highlands are simply indicated by painted peaks, because the sheer mountains, and fierce tribes of those regions meant that Ching rule was ineffective beyond the coastal plain to the west.
不過當時清廷對台灣的統治僅限於西部平原，東部因山勢險峻，又有先住民阻礙，無法測繪，僅在圖上畫幾朵象徵性的山峰，東部海岸則一片空白。