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- Snow covers more than half the country six months a year.Almost half the country has permafrost (permanently frozen soil) beneath the ground surface. 俄罗斯大片土地位于北极圈内,一半的土地有半年以上覆盖着白雪,领土面积的一半有冻土层。
- Not only is the planet's rising temperature melting massive glacies, but it also seems to be thawing out the layer of permanently frozen soil below the ground's surface. 这个星球不断升温,这不仅仅会导致巨大的冰川融化掉,似乎还会使地表之下永久冻结的土壤层解冻。
- Application to seism survey technology in permanent frozen soil survey 地震勘探技术在岛状多年冻土勘察中的应用
- They looked in particular at the creation of "taliks", which are patches of unfrozen ground sandwiched between layers of permanently frozen soil lower down and a seasonally frozen patch of soil above. 他们尤其考量了位于底层永久冻结土壤和上层季节性冻结土壤之间的居间不冻层的形成。
- permanent frozen soil 永冻地层
- Frozen soil has tangible rheologic characteristics. 冻土有明显的流变特性。
- During the brief summer , a thin layer of frozen soil thaws at the surface . 短短的夏季里,表面很薄的一层冻土融化了。
- Permanently frozen subsoil, occurring throughout the Polar Regions and locally in perennially frigid areas. 永冻土永久冰冻的下层土壤,出现在整个北极地区和部分长期寒冷的地区
- Supported by the State Key Laboratory of Frozen Soil Engineering Foundation of the Chinese Academy of Sciences. 中国科学院冻土工程国家重点实验室开放基金资助项目。
- When the robotic arm first reached that depth, it hit a hard layer of frozen soil. 当机械臂首次达到那个深度的时候,碰到了一层坚硬的冰冻土壤。
- High temperature on permafrost berm could deteriorate the degeneration of the frozen soil under the embankment. 高温冻土区护道会加剧路基下冻土退化;
- On the basis of the analysis of the distribution law of long-term frozen soil at the northeast slope of Mt. 在分析大兴安岭东北坡多年冻土分布规律的基础上,论证了该区冻结层水特征。
- Frost damage is main cause for earth-retaining wall failure in seasonally frozen soil region. 冻害是季节冻土区挡土墙破坏的主要原因。
- The onions too, once sprouted have ground to a halt, encrusted in frost, perched on the frozen soil. 洋葱也是,一旦发芽就停下来,在霜中长壳,栖息在霜冻的土中。
- How to develop a fast portable frozen soil penetrator is the main aim of this paper. 如何运用聚能装药技术设计一种快速便携的冻土射孔器是本论文的主要目的。
- Permanently frozen subsoil,occurring throughout the Polar Regions and locally in perennially frigid areas. 永冻土永久冰冻的下层土壤,出现在整个北极地区和部分长期寒冷的地区
- Because of the intense cold, the subsoil of the tundra remains permanently frozen to a great depth. 由于严寒,冻土带的底层土仍然长久冷冻得很深。
- Wu Qingbai, Zhu Yuanlin, Shi Bing. Study of frozen soil environment relation to engineering activities. Journal of Glaciology and Geocryology. 吴青柏,朱元林,施斌。工程活动下的冻土环境研究。冰川冻土
- The blastability of frozen soil is the index that denotes the difficulty to blasting or the resistance ability toblasting of fozen soil. 冻土的可爆性是表征冻土爆破难易程度的指标,或是冻土抵抗爆破能力大小的指标,是爆破参数选择的基本依据。
- Permafrost is basically dirt that's been permanently frozen for hundreds or thousands of years, much of it since the last ice age. 永久冻土层基本上是已经被持久冻结数百或数千年的泥土,其中大部分是自上一次冰河时期。