Therefore, an island country like Maldives, or a country carved by the sea like Greece, is more likely to have a high ratio, while a landlocked country will have a ratio of zero.
因此一个岛屿国家像马尔代夫或者一个国家拥有很曲折的海岸线像希腊，更有可能拥有高的除比，同时一个内陆国家像奥地利的除比则为0。