并藉著比对堤前和堤后波场能量而得到堤体距离和波浪方向性的关系式。
Relationships between the wave energies, the distances of the measuring stations to the breakwater, and the directionality of the wave field were obtained.
远破波作用下堤前海床冲刷较为严重，对建筑物的安全更具威胁，国外尚无专门研究，。
The sea bottom in front of a breakwater is scoured under the action of broken waves, and this will affect the stability of the breakwater.
忽然间，壕的对岸有一个被遮着的灯光在堤前消失了，不久又重新出现，并向着我们的方向慢慢走来。
Suddenly my eye caught the glint of a shaded lantern at the other side of the moat. It vanished among the mound-heaps, and then appeared again coming slowly in our direction.
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