huáng​dào​jīng​wěi​yí

ecliptic armilla

  1. ecliptic
    The apparent path of the sun as seen from the earth against the stars over the course of a year.
  2. longitude and latitude
    geographic coordinates consisting of meridians and parallels; longitudinal and latitudinal lines on a map or drawing
  3. [instrument]
    (bound form) an apparatus, instrument, or measuring device