不少中学生课外物理读物上都记载着这样的故事.很久以前,一位商人向荷兰渔民买了5000吨青鱼,经过仔细过秤,把鱼装上了货船,船由荷兰阿姆斯特丹港起航到达索马里首都摩迦迪沙港.卸货时,商人又用蝉簧托盘秤称了一遍,惊讶地发现竟然少了许多,由此 Many middle school students have recorded such stories on extra-curricular physics books. A long time ago, a businessman bought 5,000 tons of herring from Dutch fishermen. After careful weighing, the fish was loaded on a cargo ship. The vessel sailed from Amsterdam, the Netherlands, to reach the capital of Somalia. Gadessa Port. When the cargo was unloaded, the merchant weighed it again using a gong spring tray. He was surprised to find that there was actually a lot less.