関連ワード:  what do you understand by map scale    what do you mean by map scale    what do you understand by large scale map    what do you understand by small scale map    what do you mean by small scale map    what do you mean by map not to scale    what do you mean by small scale map class 6    what do you understand by scale of map mention its importance    what do you mean by scale of map class 6    what do you mean by scale of map class 5