Observation and Fields of fire, Avenues of approach, Key terrain, Obstacles, Cover

英文缩写：OAKOC

英文全称：Observation and Fields of fire, Avenues of approach, Key terrain, Obstacles, Cover

中文释义：观察和射击场，接近通道，关键地形，障碍物，掩护

中文拼音：guān chá hé shè jī chǎng jiē jìn tōng dào guān jiàn dì xíng zhàng ài wù yǎn hù

所属分类：Governmental