以上史料清楚记载着钓鱼岛、赤尾屿属于中国，久米岛属于琉球，分界线在赤尾屿和久米岛之间的黑水沟（今冲绳海槽）。
These historical accounts clearly demonstrate that Diaoyu Dao and Chiwei Yu belong to China and Kume Island belongs to Ryukyu , and that the separating line lies in Hei Shui Gou ( today 's Okinawa Trough ) between Chiwei Yu and Kume Island .
黑水沟