基于现代通信和信息技术的船岸信息系统，可以改变一切依靠人力与手工处理的船舶常规管理手段。
Based on the modern communication and information technology, the ship-shore information system may change the manual process of routine ship management methods.
40年代前，船海不是靠蒸汽推动，都是由人力拖到上游。有的船重达120吨。
Until the 1940s, when boats were powered by their own steam, vessels weighing as long as 120 tons were pulled upriver by human muscle.
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