对地平直海岸和二维大陆架，自由边缘波的振幅远小于强迫波的振幅。
The amplitude of edge waves is much smaller than that of forcing waves in the case of straight coastline and two-dimensional shelf topography.
剖面地形具有典型的夷直海岸特点，前滨滩面宽阔平坦，后滨沙丘带发育，岸线平直。
Its foreshore is broad and smooth, its backshore consists of dunes and its coastline is rather straight.
海岸线平直，天然良港稍少。
Shorelines are fairly straight and good natural harbors are few.
东海岸平直的马路。
东海岸平直的马路。
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