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我们从上一讲已经了解到,海洋环境和航海之间的关系是非常密切的。远在帆船时代,航海成功与否完全取决于海上水文气象条件;即使对拥有大型、高速、优质的现代海轮的今天,水文气象保证仍是不可缺少的重要环节。在航海过程中,船长全凭个人经验和对海区天气、海况的粗浅知识操纵船舶,往往带有一定程度的局限性和盲目性,许多船舶常因遭遇风暴、巨浪、冰山、浓雾等蒙受巨大海损。因而长期以来,人们花费了很多精力不断探索比较客观的、既安全又经济的船舶最佳航法。
As we have learned from the last lecture, the relationship between the marine environment and navigation is very close. Far in the age of sailing, the success of navigation depends entirely on maritime hydrometeorological conditions; even today, with large, high-speed, high-quality modern seagoing vessels, hydrometeorological assurance is still an indispensable important link. In the process of sailing, the captain manipulated the ship based solely on personal experience and superficial knowledge of the sea and sea conditions, often with some degree of limitation and blindness. Many ships were often exposed to storms, waves, icebergs and fog. Huge sea damage. As a result, people have long devoted a great deal of effort to constantly exploring more objective, safer and more economical methods for shipping.