trig point
A surname from Irish.
(Britain) A fixed pillar with a metal housing for a theodolite on the top of a high point in the landscape; originally used for making Ordnance Survey maps.
(obsolete) Easy to be acquainted with; affable.
plural of Agin
急な登りの後、私たちはついに三角点を見つけ、測量を記録するためにセオドライトを据え付けた。
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