As a result a reflected wave is sent back into the water, but this is a rare faction wave. 結果，向水中送回一個返射波，但這是一種稀疏波。
The wave heights behind a submerged semi-circular breakwater shall be superimposed by diffracted and transmitted wave heights. 半圓型潛堤后的波高將由繞射波高與傳遞波高迭加而成。
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