翻开中国历史,人们能看到,我国民族英雄郑成功曾收回被荷兰军队侵占了38年之久的台湾岛的光辉业绩。然而,却很少有人知道郑成功成功的秘密。其实,这个秘密就是巧妙地运用了潮汐。有一定海洋知识的人都知道,“潮汐”是海水有规律地上涨。白天海水上涨为“潮”,夜晚海水上涨为“ Turning over the history of China, people can see that our nation’s national hero, Zheng Chenggong, has recovered the glorious performance of Taiwan Island, which was invaded by the Dutch Army for 38 years. However, few people know the secret of Chenggong’s success. In fact, this secret is a clever use of the tide. People with certain marine knowledge all know that “tidal” is the regular rise of seawater. During the day, seawater rises as a “tidal wave” and seawater rises at night as “