conventional sign वाक्य

उदाहरण वाक्य

1. Ptolemy's eight-volume atlas " Geographia " is a prototype of modern mapping and GIS . It included an index of place-names, with the latitude and longitude of each place to guide the search, scale, conventional signs with legends, and the practice of orienting maps so that north is at the top and east to the right of the map an almost universal custom today.