関連ワード:  what is the purpose of a map scale    what is the purpose of a map scale bar    what is the purpose of a map scale in geography    what is the purpose of a map scale responses    what is the function of a map scale    what is the use of a map scale    what is the meaning of a map scale    what is the main purpose of a map scale    what is the purpose of a large scale map    what is the purpose of a small scale map