rotation of the Earth http://en.wikipedia.org/wiki/External_ballistics trajectory and point of impact Bullet Drop External ballistics - Wikipedia, the free encyclopedia English the effect of gravity on the fired bullet External ballistics - Wikipedia, the free encyclopedia firing tables http://en.wikipedia.org/wiki/External_ballistics this page Wikipedia this page ballistic drop http://en.wikipedia.org/wiki/External_ballistics http://en.wikipedia.org/wiki/External_ballistics http://en.wikipedia.org/wiki/External_ballistics external ballistics firing tables http://en.wikipedia.org/wiki/External_ballistics decreases the density of air Wikipedia Coriolis effect on projectiles Coriolis drift Wikipedia article on ballistics External Ballistics External ballistics http://en.wikipedia.org/wiki/External_ballistics http://en.wikipedia.org/wiki/External_ballistics http://en.wikipedia.org/wiki/External_ballistics English https://en.wikipedia.org/wiki/External_ ... projectile gyroscopic drift external ballistic this page E view article http://en.wikipedia.org/wiki/External_ballistics こんなところを参考。 http://en.wikipedia.org/wiki/External_ballistics https://en.wikipedia.org/wiki/External_ballistics xternal ballistics External ballistics External ballistics www.wikipedia.org bullet’s trajectory wiki_external_ballistics_drag_table.htm