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Longitude hour
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Sa'a longitude - Yana da tsawon lokaci kafin fitowar rana da kuma faɗuwar rana a lokacin da rana za a iya gani a sararin sama.
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Longitude hour
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Rhumb
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Angle hira Tables, duk kwana ji raka'a
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Rhumb
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Grad
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Castle G, G - shi ne ma'auni na jirgin kwana, samarwa gabatarwar awo tsarin.
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Grad
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Radian
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Radian Rad, Rad - shi ne ainihin naúrar na ji na jirgin kusassari a zamani lissafi da kimiyyar lissafi.
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Radian
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Juyin juya halin
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Yawa - A naúrar na ji na kwana ko lokaci na oscillations.
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Juyin juya halin
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Karkara
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Circle - A lissafi siffar a kan jirgin, duk wanda maki ne equidistant daga wani da aka ba batu.
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Karkara
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Gon
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Angle hira Tables, duk kwana ji raka'a
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Gon
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Square
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Quadrant - Yana da daya daga cikin hudu sasanninta kafa ta tsara gatura na rectangular tsara tsarin.
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Square
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Sextant
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Sextant - A naúrar na ji na kusassari, yana daya-shida na da'irar ko 60 digiri.
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Sextant
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Octant
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Octant - A naúrar na ji na kusassari, a gaskiya octant - shi ne wani daga cikin takwas yankuna a cikin abin da sarari ne zuwa kashi uku juna perpendicular tsara jirage.
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Octant
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