| 单词 | plane chart | 
| 释义 | > as lemmasplane chart   plane chart  n. chiefly Nautical a chart or map on which the earth is represented as a plane surface, with the meridians and parallels of latitude represented by equidistant straight lines (cf. plane sailing n.). ΘΚΠ the world > the earth > earth sciences > geography > map-making > map > 			[noun]		 > chart > types of chart plain chart1614 plane chart1696 society > travel > travel by water > vessel, ship, or boat > equipment of vessel > navigational aids > 			[noun]		 > chart > types of plain chart1614 plane chart1696 variation-chart1727 1696    E. Phillips New World of Words 		(new ed.)	  				Plane Chart, a Plat or Chart that Seamen sail by, whose Degrees of Longitude and Latitude are made of the same Length. 1759    Philos. Trans. 1758 		(Royal Soc.)	 50 566  				A new scale..was intended to render the same [sc. the globular chart] as easy in practice as the plane chart. 1867    W. H. Smyth  & E. Belcher Sailor's Word-bk.  				Plane-chart, one constructed on the supposition of the earth's being an extended plane, and therefore but little in request. 1995    M. Monmonier Drawing Line  i. 13  				He began with a Plate Carrée projection, literally a ‘plane chart’, on which an evenly spaced grid of squares makes a degree of latitude equal a degree of longitude. < as lemmas | 
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