Other early instruments included the sextant and the astrolabe.

另外的早期仪器还有六分仪和星盘.

期刊摘选

Mariners were also able to fix their latitude , by using an instrument called an astrolabe.

海员们还可使用星盘这种仪器确定纬度.

辞典例句

Mariners were also able to fix their latitude by using an instrument called astrolabe.

海员们还可使用星盘这种仪器确定纬度。

辞典例句