Reefs also play a crucial role as natural breakwaters, protecting coastlines from storms.
礁石的另一个重要作用是它可以充当天然的防洪堤，使海岸线免受风暴侵袭。
An analytical method was developed to study the wave diffraction effects on V-type bottom-mounted breakwaters.
给出了V形贯底式防波堤对波浪绕射计算的解析方法。
The model experiment on the motion behavior of caisson breakwaters is conducted under breaking wave excitation.
对近破波作用下沉箱式防波堤的运动特性进行了模型实验研究。
The paper is for studying shore protection of erosive coast on which some offshore breakwaters have been built.
本文对采用离岸堤作为保护侵蚀海岸的措施进行了试验研究。
A large number of numerical tests are performed on the breakwaters with different porosities and different block radius.
对不同孔隙率、不同块体粒径的抛石防波堤进行了大量的计算。
Gigantic palm trees also sprouted along the coast-artificial islands made from sea-floor sand protected by rock breakwaters.
沿着海岸线也有很多高大的棕榈树，人工海岛由海底的海沙填成，并有防波堤保护。
Caisson-cylindrical foundation structure is a new type of structure for breakwaters developed successfully in recent years.
箱筒型结构是近年来开发成功的一种新型防波堤基础结构。
To build rubble mound breakwaters directly on soft soil foundation, it often meets the problem how to avoid the overall unstability.
直接在软基上建造斜坡堤，常有发生整体失稳的危险。
The draft of design and construction regulations of semi-circular breakwaters provides two sets of formulae under different conditions. It is to be put into practice.
半圆型防波堤设计施工规程征求意见稿根据不同应用条件规定了两套波浪力计算公式。
As the first line of defence, communities built sea walls with tsunami gates for river mouths that could be closed when waves approached, as well as offshore breakwaters and raised river dykes.
作为第一道防线，居民们修建了海堤，并在河口处设立水闸(当海啸靠近时，可以关闭水闸)；另外还修建了离岸堤，并加高了河堤。
As the first line of defence, communities built sea walls with tsunami gates for river mouths that could be closed when waves approached, as well as offshore breakwaters and raised river dykes.
作为第一道防线，居民们修建了海堤，并在河口处设立水闸(当海啸靠近时，可以关闭水闸)；另外还修建了离岸堤，并加高了河堤。
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