n.东行航程，朝东方...

For a combatant of the Battle of 73 Easting, simulations came as a trinity.对于参加了东73公里处战役的战斗人员来说, 所谓模拟其实是一种三位一体的东西....

easting的音标：easting的英式发音音标为：['i:stɪŋ]easting的美式发音音标为：['istɪŋ]...