潮汐现象对人类从事海上生产和军事活动有着极大的影响,因而早就引起人们的重视。我国古代劳动人民和学者对于这一现象有着此较深刻的认识并掌握了它的变化的基本规律,从而提出了各种预报方法。随着生产和科学的发展,人们对潮汐预报准确度的要求愈来愈高,同时对潮汐现象的认识 Tides have a huge impact on the mankind engaged in maritime production and military activities, and have long drawn people’s attention. The ancient working people and scholars in our country have this profound understanding of this phenomenon and have mastered the basic laws of its change, and have put forward various methods of forecasting. With the development of production and science, the requirements for the accuracy of tide forecasting are getting higher and higher, meanwhile, the understanding of tidal phenomena