| 单词 | tachymetry |
| 释义 | > as lemmastaˈchymetry taˈchymetry n. the use of such an instrument. ΘΚΠ the world > the earth > earth sciences > geography > map-making > surveying > [noun] > specific methods or processes dialling1670 traverse1674 boning1718 levelling1812 triangulation1818 resection1855 plane-tabling1867 stepping1888 tacheometry1888 tachymetry1891 trilateration1948 1891 Buff & Berger Handbk. Engin. & Surv. Instr. 109 Tachymetry. 1900 H. M. Wilson Topogr. Surveying xii. 236 Tachymetry, or, as it is sometimes called, tachyometry..enables the operator, by a single observation upon a rod, to obtain the necessary horizontal and vertical data for the determination of the three elements of position of a point on the surface of the earth. < as lemmas |
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