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单词 θ7427
释义
the world > the earth > earth sciences > geography > map-making > surveying > [noun] > surveying instruments > staff or pole > for taking off-sets (6)
station staff1653

†(a) Surveying a staff for use in measuring distances or heights; a ranging rod or levelling staff (cf. staff, n.1 7e) (obsolete); (b) staff…

cross1669

A surveyor's instrument; a cross-staff, n.

station pole1775

a pole or rod set up at a station (sense 6a).

offset staffc1791

a rod used in measuring offsets.

station rod1791

= station staff n. (a).

cross-staff1874

A surveyor's cross, used in taking offsets.

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更新时间:2024/12/23 16:27:02