This paper introduced the selection of net agent, the definition of net agent length and added quantity, improving of net cover sand strong etc.
介绍了网络剂的筛选、网络剂长度及加量的确定、网络覆膜砂强度的改进及影响网络覆膜砂的各种相关因素。
Salt basins, sand and lava cover much of its 40,000 square miles (103,600 square km), and the soil is so lifeless that NASA can design their Mars ground tests on Atacama land.
大约4万平方英里(103,600平方公里)的地区都被盐盆地，沙地和熔岩所覆盖。因为这里的土壤毫无生命力所以美国国家航空及太空局可以在这个岛上进行火星地面测验。
Salt basins, sand and lava cover much of its 40,000 square miles (103,600 square km), and the soil is so lifeless that NASA can design their Mars ground tests on Atacama land.
大约4万平方英里（103,600平方公里）的地区都被盐盆地，沙地和熔岩所覆盖。 因为这里的土壤毫无生命力所以美国国家航空及太空局可以在这个岛上进行火星地面测验。
The patented All Weather Cover? Protects gear from extremes, torrential rain, snow, sand and tropical sun.
专利全天候防雨罩保护您的器材抵挡雨雪风沙日晒等极端恶劣天气。
From desert regions sand was blown in to cover the fields.
从沙漠地区刮来的沙子把田地都盖上了。
It is difficult for mined tunnel with shallow cover to cross water-rich sand stratum.
穿越富水砂层一直是浅埋暗挖隧道的难点。
The Tuareg dress in a special way. The men cover their faces. The women do not. The men travel a lot in the desert. They need to protect their faces from the dry air and sand.
图阿列格人的穿着很特别，男人们都会把自己的脸遮住，而女人们则不会，因为男人经常在沙漠中穿行，需要保护自己的脸抵御干燥的空气和风沙。
Down of the sun has not been fully exposed only line in the sand dunes to pay under cover, like curved red eyebrows.
尚未完全落下的太阳仅露一线，在起伏的沙丘交掩下，就像一弯红色的眉毛。
These sand gravels stratum have the characters of shallow cover, small transform, high bearing capability and big thickness.
这些砂卵石层一般具有埋深不大、变形小、承载力高、厚度大的特点。
Islands can work as effective cover for your ships, while sand bars and reefs can be used as traps against an enemy fleet.
离岛可以为您的船舶有效覆盖，而沙洲和珊瑚礁可以作为陷阱，用来对付敌人的舰队。
The formation of the clothing, primarily in order to be able to in the vast space activities, to resist cold, cover the sun and rain, and sand separated the attack.
而服饰的形成，主要是为了能在广阔的空间活动时，用来抵御严寒，遮隔日晒雨淋和风沙袭击的。
The formation of the clothing, primarily in order to be able to in the vast space activities, to resist cold, cover the sun and rain, and sand separated the attack.
而服饰的形成，主要是为了能在广阔的空间活动时，用来抵御严寒，遮隔日晒雨淋和风沙袭击的。
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