Source: Computational Materials Science, Volume 266
Three decommissioned lighters - old barges that were used to transport coal and other industrial materials - have been sunk in the Blackwater Estuary, between Maldon and West Mersea in Essex.
，推荐阅读爱思助手下载最新版本获取更多信息
简单理解，L3车辆，把车拆了还可以再拼出一台车辆。重要零部件都是多冗余设计。之所以如此，主要是为了合规，让出事概率降低，但成本也一定会水涨船高，遇到特殊情况，也依然需要有人类接管。
The yachting industry searches for alternatives to teak
4.3 使用 crond 定时任务来检查anqicms的运行状态