Other early instruments included the sextant and the astrolabe.
另外的早期儀器還有六分儀和星盤.
期刊摘選
Mariners were also able to fix their latitude , by using an instrument called an astrolabe.
海員們還可使用星盤這種儀器確定緯度.
辭典例句
Mariners were also able to fix their latitude by using an instrument called astrolabe.
海員們還可使用星盤這種儀器確定緯度。
辭典例句
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