Blogs about: 9 19
ピックアップブログ
[Science][SFAA]Chapter:9-19の和訳
[9-19] Coordinate systems are essential to making accurate maps, but there are some subtleties. For example, the approximately spherical surface of the earth cannot be represented on a flat map with… more →
Kahjin's Weblog
[Science][SFAA]Chapter:9-19の和訳
kahjin wrote 1 year ago: [9-19] Coordinate systems are essential to making accurate maps, but there are some subtleties. For … more →
Have your say. Start a blog.
See our free features →
An 
Creation
