an instrument for locating the position of the observer on a map or chart by measuring the two angular separations of three objects of known…
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| 单词 | θ7415 |
| 释义 | the world > the earth > earth sciences > geography > map-making > surveying > [noun] > surveying instruments > for finding observer's position (3) station pointer1774 an instrument for locating the position of the observer on a map or chart by measuring the two angular separations of three objects of known… station finder1853 †(a) Nautical = station pointer n. (obsolete); (b) a device or control used to select a particular station on a radio receiver. pointer1875 Surveying = station pointer n. at station, n. compounds 2. Obsolete. rare. |
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