词根astro, 星。-labe, 词源同lemma, 拿，握，定理。

1. 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。

2. 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.

3. Other early instruments included the sextant and the astrolabe.

另外的早期仪器还有六分仪和星盘.

4. On the astrolabe, an off - centered circle represents the orbit of the sun - the ecliptic.

在星盘上, 一个偏心的圆代表了太阳的运行轨道――黄道.

5. We can compare Bhu - mandala with an astronomical instrument called an astrolabe, popular in the Middle Ages.

我们可以用Bhu -mandala 与一种叫做星盘的天文仪器作一个比较,这种仪器在中世纪十分常用.