marching compass 中文意思是什麼
marching compass
解釋
行軍羅盤-
The ming dynasty used besides the technology of forefathers ' monsoon to make certain routes, the compass to gauide marching, they took a lot of records of the constellation oriented datas and the variety of the ocean orb ' s height in different oceanic areas in the book named < constellation chart of acrossing seas > too, which contribute a lot in the archaian astronomy
明朝船隊除了採用前人季風確定航線、指南針導航等技術外，還在《過洋牽星圖》中紀錄了眾多的星宿定位數據和不同海區天體高度的變化，對古代的天文導航有重要貢獻。
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