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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Biltmore stick ： ウィキペディア英語版 Biltmore stick The Biltmore stick is a tool used to measure various tree dimensions, such as diameter at breast height and height. It looks much like an everyday yardstick. A Biltmore stick is considered to be only marginally accurate. Some foresters use the tool regularly, however, many prefer to use more accurate tools such as a diameter tape to measure diameter at breast height (DBH) and a clinometer to measure height. On the other end of the spectrum, some foresters consider the use of a Biltmore stick to be no more accurate than their own visual estimates (based on experience estimating the height and DBH of trees), and make it practice for their surveys to be largely completed in this manner. ==Principles of operation== The Biltmore stick uses the principle of similar triangles. Similar triangles involve using identical angles but different side lengths. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Biltmore stick」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.