Requirements in the international chess board to place eight queen, making it unable to attack each other, that should not in any two of Queens board of the same line, same column and with a diagonal.
要求在国际象棋的棋盘上放置八个皇后，使其不能相互攻击，即任意两个皇后不能处于棋盘的同一行、同一列和同一条对角线上。
It was occasionally used as a Royal Palace for the Kings and Queens of England until the time of James I (who reigned from 1603 to 1625) but is the best known as a prison and execution place.
伦敦塔在詹姆斯一世时代(他于1603至1625年统治英国)以前，曾偶尔用作英国国王和王后的王宫，但如今它却以一所监狱和刑场而最为著称。
It was occasionally used as a Royal Palace for the Kings and Queens of England until the time of James I (who reigned from 1603 to 1625) but is the best known as a prison and execution place.
伦敦塔在詹姆斯一世时代(他于1603至1625年统治英国)以前，曾偶尔用作英国国王和王后的王宫，但如今它却以一所监狱和刑场而最为著称。
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