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permafrost

美 [ˈpɜːrməfrɔːst]英 [ˈpɜːməfrɒst]
  • n.永冻层;(寒带)永冻土层
permafrostpermafrost

noun

U(寒带)永冻土层;永冻层
a layer of soil that is permanently frozen, in very cold regions of the world

permafrost

频次

  • 1
    N-UNCOUNT 永冻土层;永冻层
    Permafrost is land that is permanently frozen to a great depth.

noun

1
ground that is permanently frozen

数据来源:WordNet

  1. She urged anyone with doubts to go to Alaska , where the permafrost is dying , or to California 's Sierra Mountains , where snow is melting earlier in the spring , creating havoc for water supplies .

    她敦促持怀疑态度的人前往阿拉斯加,那里的永冻土层将要消失,或者前往加利福尼亚州的塞拉山脉,那里的冰雪在早春时节便已融化,严重破坏了水供给。

  2. It might be possible for similar organisms to survive for billions of years below the permafrost layer on Mars , where water is liquid , radiation supplies energy , and carbon dioxide provides carbon .

    类似的生物体有可能在火星的永冻土层下面生活了上亿年,那里的水是液态的,放射提供能量,二氧化物提供碳的来源。

  3. Design of Automatic Detecting System of Permafrost Temperature based on GPRS

    基于GPRS的冻土地温远程自动监测系统设计

  4. Study of the Measures of Foundation Treatment in the Permafrost Regions

    对多年冻土地基处理措施的认识

  5. Permafrost Temperature Regime : Study Method and Applied Analysis

    冻土温度状况研究方法和应用分析

  6. A Study on Temperature Field of Pile Foundation at Permafrost Zone

    多年冻土桩基温度场研究

  7. The Highway Construction Technology in Permafrost Regions : Research and Engineering Practice

    多年冻土地区公路修筑技术研究与工程实践

  8. A Study on Subgrade Construction Technology and Practice in Permafrost Regions

    多年冻土地区路基修筑技术及实践

  9. Selection and Evaluation of Water Supply Sources in the Permafrost Area

    多年冻土地区供水水源选择及其评价&以大兴安岭西林吉造纸厂用水为例

  10. Design and construction of the pile foundation in a permafrost region

    永冻土地区桩基的设计与施工

  11. Study of ground temperature field during pile foundation construction in permafrost regions

    高原冻土区桩基施工温度场研究

  12. Application of Artificial Foundation in Pipeline Foundation Treatment in Permafrost Region

    人工地基在多年冻土区管道地基处理中的应用

  13. Study of the Structure Construction Technique Under Permafrost

    多年冻土下构筑物结构施工技术的研究

  14. Research in the question of water migration in the permafrost abroad

    国外对冻土中水分迁移课题的研究

  15. Preliminary Study on Technology of Cooling Foundation in Permafrost Regions

    多年冻土地区主动冷却地基方法研究

  16. Permafrost Damage Prevention Research on Railway Construction in High Latitude Area of China

    中国高纬度多年冻土地区铁路工程病害的防治研究

  17. Analysis of life cycle cost for asphalt pavement in permafrost zone

    多年冻土区沥青路面寿命周期费用分析

  18. Analysis of Structure Design of Subgrade in Permafrost Region

    多年冻土区路基的结构设计分析

  19. Ground Temperature Method & the Method for Calculating the Depth of Permafrost Table

    计算多年冻土上限深度的地温法

  20. Analysis of Single Pile Stress State in Permafrost Region

    多年冻土地区单桩应力状态分析

  21. Common disease and control measure analysis of island permafrost subgrade

    岛状冻土路基常见病害及控制措施分析

  22. The Main Factors Controlling the Temperature Field during Tunneling in Permafrost Regions

    高原多年冻土隧道施工温度场控制的主要因素

  23. Study on stochastic earthquake characteristics of ground in permafrost regions

    多年冻土区场地地震动随机特性研究

  24. A Review on Research into Ecological Environment Impacts of Engineering Construction in Permafrost Areas

    多年冻土地区工程建设生态环境影响研究评述

  25. Frost action and permafrost effects under different geological conditions are considered .

    文中探讨了不同地质条件下的冻融作用及多年冻结效应。

  26. Analysis of asphalt pavement structure response in permafrost region

    多年冻土地区沥青路面结构响应分析

  27. Analysis on Hydration Influence of Grouting Pile Concrete in Permafrost Regions

    多年冻土区灌注桩混凝土水化热影响分析

  28. Model . Laboratory large-scale test of temperature field in permafrost sub-grade

    冻土路基温度场室内足尺模型试验

  29. Water Chemical Characteristics and the Evaluation of water Application in the Permafrost Regions of Northeast China

    东北多年冻土区水化学特征及其应用评价

  30. Thermosiphon Pile Technology and Its Application in Solving Permafrost Stability Problem

    热桩技术及其在解决多年冻土稳定问题中的应用