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三角点
1. triangulation point
2. Triangulation stationA triangulation station, also known as a triangulation pillar, trigonometrical station, trigonometrical point, trig station, trig beacon or trig point, and sometimes informally as a trig, is a fixed surveying station, used in geodetic surveying and other surveying projects in its vicinity.
Read “Triangulation station” on English Wikipedia
Read “三角点” on Japanese Wikipedia
Read “Triangulation station” on DBpedia
Read “Triangulation station” on English Wikipedia
Read “三角点” on Japanese Wikipedia
Read “Triangulation station” on DBpedia
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