海底激流是异常壮观奇特的，它像一场大风暴，急速地挟卷着海底的沉积物、泥沙，奔腾而去。人们根据大多数海底激流的运动规律，掌握了它们固定的时间、速度和方向，进而利用它们。海底激流是深层流，它往往从大洋深处向浅海流，常用于军事。在直布罗陀海峡，大西洋中表层海水 The submarine rapids are unusually spectacular and strange. It is like a big storm that swiftly entraps the sediments and sediment of the seafloor. Based on the motion of most submarine rapids, people grasp their fixed time, speed and direction, and then use them. The submarine rapids are deep currents, which tend to flow from the depths of the ocean to shallow currents and are commonly used in military affairs. Surface water in the Strait of Gibraltar, the Atlantic Ocean