历史是一面镜子。考察历史上的登岛作战,我们不难看出,无论抗登陆一方依托天然屏障,凭险据守,以点制面,占据江河地理优势,都没有攻不破的海上堡垒。凡取得登陆成功的,大都是在登陆时间、登陆地点或战术手段的运用上达成了某种程度的突然性。据有关资料统计,第二次世界大战期间, History is a mirror. It is not hard to see whether or not the anti-landing party relies on the natural barrier and has the potential to defend the enemy. It does not have an unassailable sea fortress in order to take advantage of the geographical advantages of the rivers. Where the success of landing, mostly in the landing time, landing place or tactical use reached a certain degree of suddenness. According to statistics, during the Second World War,