船舶与海洋结构物在其服役过程中受到波浪等载荷的交变作用而引起结构的疲劳损伤。
Fatigue damage of ship and ocean engineering structures will caused by fluctuation loadings, such as wave loading, during their service time.
当受到地震、交通、波浪等循环荷载的作用时，在复杂初始应力条件下土的动力特性必然将会和一般应力状态下有所不同。
When it is forced by the cyclic loading for example earthquake, traffic, wave etc, dynamic properties of soils under complex initial stress condition are different form the general stress state.
当潮汐经过像洋盆上的山脊等浅层障碍时，就会在低层密度大的水体里造成波浪。
When tides drag the ocean over a shallow barrier such as a ridge on the ocean floor, it creates waves in the lower, denser layer of water.
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