observed fire の意味「観測射撃」

意味	観測射撃 artillery fire whose impact can be observed and used to adjust subsequent fire

observed fireのWordNet

意味	fire for which the point of impact (the burst) can be seen by an observer; fire can be adjusted on the basis of the observations 着弾点（炸裂）を観測者が視認できる射撃；観測に基づいて射撃を修正することができる
上位語	fire火 firing発射、解雇