...If adjacent triangulation points of all first-order triangulation points in Japan were connected with lines, a huge net would be created that covered the entire country, with the smallest unit being a triangle. This net is called a first-order triangulation network, and represents the framework of the country. From the Meiji to Taisho periods in Japan, first-order triangulation surveys were carried out to determine the shape of the triangulation network, and baseline surveys were carried out to give the network a scale. *Some of the terminology explanations that refer to "first-order triangulation network" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…日本中の一等三角本点すべてについて隣接の三角点どうしを線分で結ぶと,日本全土を覆う巨大な網ができあがり,その最小単位は三角形である。この網は一等三角網と呼ばれ国土の骨格をあらわすものである。日本では明治から大正にかけて,三角網の形を決定するための一等三角測量と三角網にスケールを与えるための基線測量が行われた。… ※「一等三角網」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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