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- perennial frozen earth layer 多年冻土层
- The influence of frozen earth layers and radiant damps of groundwork is considered and back-analysis is performed. 计算结果表明,在结构抗震设计时,应考虑季节的变化、地基辐射阻尼和场地区域地震动特性等因素的影响。
- Perennial frozen earth 多年冻土
- seasonal frozen earth layer 季节性冻土层
- He made a fire to thaw out the frozen earth. 他生起了火去融化冻土。
- They broke the hard frozen earth with picks. 他们用镐把坚硬的冻土凿开。
- The sleety frozen earth began to soften under thaw and the rain. 薄冰冻结的土地在春融雨淋之下漫漫地软化了。
- The frozen earth begins to soften up at the beginning of spring every year. 每年一开春，冻土就开始融化。
- Weak gestures, express plaintive in the eyes and stagger footstep, these would be buried under the frozen earth. 无力的手势、哀怨的眼神、踉跄的脚步，终将埋葬在冰冷的泥土之下吗？
- Sometimes it took hours to chip away enough frozen earth to get to unfrozen ground. 有时候破开冻土层得花上几小时时间，才能挖到未上冻的土层。
- The Northern Daxinganling area, covered by primeval forest, marsh and frozen earth, is one of the most important regions for Au-Cu polymetallic metallogensis. 摘要大兴安岭北部地区是原始森林、沼泽覆盖和冻土区，也是我国重要的金、铜多金属成矿区。
- Wei Wenshou, Qin Dahe, Seasonal Frozen Earth and Arid Ecological Environment in Northwest China, Third International Conference on Cryopedology, Copenhagen 2001. 魏文寿.;现代沙漠对气候变化的响应与反馈
- The Northern Daxinganling area, covered by primeval forest, marsh and frozen earth, is one of the most important regions for Au Cu polymetallic metallogensis. 大兴安岭北部地区是原始森林、沼泽覆盖和冻土区,也是我国重要的金、铜多金属成矿区。
- Geography: Azjol-Nerub stretches for hundreds of miles beneath the frozen earth of Northrend, but the capital city itself is located directly south of the Icecrown Glacier. 地理：埃兹卓-尼鲁布在诺森德的冰封大地下绵延数百里，不过它的首都位于冰冠冰河的正南方。
- Because of unique climatic condition and geological condition in perennially frozen soil zone, structural design of asphalt pavement in this area has its particularity. 多年冻土地区独特的气候条件和地质条件决定了该地区沥青路面结构设计的特殊性。
- At present, the study on mechanical behavior of graded broken stone is very limited and there is no any study of its application especially in perennially frozen soil zone. 目前，针对级配碎石力学性能研究较少，在多年冻土地区的应用研究还是空白。
- A surface, layer, or mass of frozen water. 冰面冻结的水的面、层或块
- They froze Earth deliberately to assure that such toxins would release slowly. 他们故意冻结了地球来保证这些毒素可以缓慢释放。
- When a buried pipeline goes through permafrost zone, thermal action between medium in pipeline and permafrost occurs and causes the frozen earth thawing, so the thaw settlement forms around the pipeline. 摘要埋地油气管道通过永冻土地带时，由于管内介质与周围的冻土发生了热力作用，使冰土解冻，在管道周围形成融化圈。
- distribution of dried earth layer 干层分布
