人类进入了海洋时代,海洋正成为人门持续关注的热点。海洋是全球主要的贸易通道。上世纪70年代至80年代完成的集装箱革命极大地降低了物流成本,促进了生产要素的全球流动。1970年,世界前25位集装箱港口吞吐量合计 Mankind entered the marine era, the ocean is becoming a hot spot of continuous concern. The oceans are the world’s major trade routes. The container revolution, completed in the 1970s and 1980s, dramatically reduced logistics costs and facilitated the global movement of production factors. In 1970, the world’s top 25 container port throughput totaled