Louisiana officials want to start building sand berms as barrier islands, to block oil from entering the fragile marsh ecosystems;
路易斯安那州官员希望开始建造作为屏障的沙堤来阻止石油侵入脆弱的沼泽生态系统；
In Louisiana, temporary sand berms are being built to protect barrier islands.
在路易斯安那州，人们已经用沙袋搭建起临时堤坝，来保护沿岸的岛屿。
The sand ground temperature is higher obviously than clay straw barrier ground and the leaf surface of natural desert plants under the same conditions of sunlight, time and the area.
在同一地区约同一时间相同的日照下，沙面温度明显高于粘土、麦草沙障表面和沙生植物叶面温度。
I must fly Australia, enjoys the enchanting golden color sand beach, mysterious Great Barrier Reef seabed world as well as beautiful seashore.
我要飞到澳大利亚，享受迷人的金色沙滩，神奇的大堡礁海底世界以及美丽的海滨。
To the same size barrier, the thickness of deposited sand increased with wind velocity, and decreased with the distance to sand source.
同一规格的沙障，障内积沙厚度随着风速的增大而增大，随着距沙源距离的增加而减小。
The inactive sialic sand-slate is a natural barrier.
活动性差的硅铝质砂板岩形成岩体的天然屏障；
The inactive sialic sand-slate is a natural barrier.
活动性差的硅铝质砂板岩形成岩体的天然屏障；
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