| 释义 |
northing, vbl. n.|ˈnɔːθɪŋ|
[f. north + -ing1.]
1. (Chiefly Naut.) Progress or deviation towards the north made in sailing or travelling; difference in latitude due to moving northwards. Freq. in phr. to make (so much) northing.
1669Sturmy Mariner's Mag. iv. iii. 154 Northing, Southing, Easting, and Westing,..is the Difference of Latitude and Departure from the Meridian. 1690Leybourn Curs. Math. 641 You shall find 15.31 Leagues, for the Northing. 1709Lond. Gaz. No. 4632/4 Discovering the Certainty of the Easting and Westing of the Globe, as exactly as the Northing and Southing already are. 1793Phil. Trans. LXXXIII. 196 On the following day, the observation shewed two miles northing. 1807Pike Sources Mississ. (1810) i. App. 12 The head of Lake Pepin is in 44° 58′ 8{pp} N. and we have made very little northing since. 1857Dufferin Lett. High Lat. (ed. 3) 204 During the whole of that afternoon..we made but little Northing at all. 1891J. Winsor Columbus App. 651 Baffin, exceeding the northing of Davis, found lying before him the great expanse of Baffin's Bay.
2. Of heavenly bodies: Apparent movement towards the north.
1808J. Webster Nat. Philos. 225 When the moon has northing or southing the shade is elliptical. 1883Proctor Gt. Pyramid iii. 139 The..northing of heavenly bodies.
So ˈnorthing ppl. a., moving northwards.
1859R. F. Burton Cent. Afr. in Jrnl. Geog. Soc. XXIX. 207 Following the northing sun,..the rains reach Western India in June.
Add:3. Cartogr. and Surveying. Distance north of a point of origin; hence, a unit of measurement used in calculating this (usu. pl.), and expressed as the second co-ordinate of a grid-reference, etc.; also, the co-ordinate or reference itself.
1767[see *southing vbl. n. 3]. 1820J. Gummere Treat. Surveying (ed. 3) ii. 115 In a true survey the sum of the northings and southings will be equal, and also those of the eastings and westings. 1902J. Whitelaw Surveying ii. 93 The most accurate method of plotting is..to calculate the latitudes and departures, or northings, southings, eastings, westings, as they are also called, of each of the lines. 1938Final Rep. Departmental Comm. Ordnance Survey (Min. Agric. & Fisheries) 4 In the case of Farnham Castle keep (562,685 E. 126,897 N.) with a grid interval of 250 metres the ‘Eastings’ would be 185 units east of grid line 562,500, and the ‘Northings’ would be 147 units north of grid line 126,750. 1949T. W. Birch Maps xv. 112 The location of the point in North London shown in Fig. 63 may be described by saying it is 538,932 metres east of the point of origin, and 177,061 metres north of the point of origin..as Eastings are always written before Northings, the reference may be written 538932 177061. 1963P. Drackett Motor Rallying iii. 40 Let's take a six-figure reference... The first three figures are the ‘eastings’, and the last three the ‘northings’. 1975J. B. Harley Ordnance Survey Maps ii. 24 To avoid inconvenience 400 km are added to all easting co-ordinates and 100 km subtracted from all northing co-ordinates. 1985Defence Electronics Oct. 92/1 The MAPS-equipped howitzer will be initialized at a survey station where universal transverse mercator easting and northing and altitude co-ordinates are known. |