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octant

/ˈɒk.tənt/

翻译: 八分仪,一种用于测量天体高度的航海和天文仪器,类似于六分仪,但其弧度为45度,即圆周的八分之一。

1 个条目

noun

/ˈɒk.tənt/C2formaltechnical
  • zh八分仪,一种用于测量天体高度的航海和天文仪器,类似于六分仪,但其弧度为45度,即圆周的八分之一。

A noun referring to a measuring instrument used to determine the altitude of celestial bodies, similar to a sextant but calibrated to 45 degrees.

  1. Navigational instrumentC1formalscientific

    A measuring instrument used in astronomy and navigation to measure the altitude of celestial bodies, similar to a sextant but with a 45-degree arc.

    zh八分仪

    • The sailor used an octant to determine the ship's latitude.
    • Before the sextant, the octant was a primary tool for celestial navigation.
    • He carefully adjusted the octant to measure the angle of the North Star.
词形
  • octants plural form
  • octants' possessive plural form
  • octant's possessive singular form