美、前苏、英、法四国在上世纪60～70年代开始积极研制核潜艇。而当时间进入21世纪初的时候,世界又将迎来核潜艇退役的高峰期。如何处理这些拥有高浓度核废料的庞然大物,就成了摆在世人面前的新的难题。纵观世界各国处理退役核潜艇的方法,通常有四种: The United States, the former Soviet Union, Britain and France started to actively develop nuclear submarines in the 1960s and 1970s. When the time comes into the early 21st century, the world will usher in the peak of decommissioning nuclear submarines again. How to deal with these monoliths with high concentration of nuclear waste has become a new challenge for the world. Looking at the ways in which countries around the world deal with decommissioned nuclear submarines, there are usually four: