| 单词 | station rod |
| 释义 | > as lemmasstation rod station rod n. Surveying (now rare) = station staff n. (a). ΘΚΠ the world > the earth > earth sciences > geography > map-making > surveying > [noun] > surveying instruments > staff or pole > for taking off-sets station staff1653 cross1669 station pole1775 offset staffc1791 station rod1791 cross-staff1874 1791 G. Adams Geom. & Graphical Ess. 297 Remove the station rod b to c, and place the circumferenter exactly over the hole where the rod b was placed, measuring the station lines, and the offsets from them to the boundaries. 1835 London Jrnl. Arts & Sci. 6 329 The graduated station rods or staffs..placed perpendicularly.., the glass vessel at the lower station must be slidden up its rod [etc.]. 1910 Mines & Minerals 10 Aug. 23 Sighting on the station rod, the base plate is leveled by adjusting the locknuts. 1936 F. Debenham Map Making iv. 50 The first operation is to divide up the area into triangles, setting up marks or station rods. < as lemmas |
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