The prospective investigation of gas hydrate in Mohe region——the application research of using electrical method to explore the ever frozen layer;
漠河地区天然气水合物远景调查之——电法探测岩石性永久冻层的应用研究
TEM method is used to study the space distribution regularity of permafrost strata in order to offer the base for further research of the northeast natural gas hydrate prospective investigation.
利用瞬变电磁法(TEM)研究永久冻土层的分布规律,为中国东北天然气水合物远景调查的进一步研究提供依据。
The harder the material under the permafrost is, the larger the chamber charge required.
永冻层之下的土壤越硬，所需要的药室装药量也越大。
Canadian researchers expressed serious concerns about the erosion of permafrost in the Arctic.
加拿大研究人员对北极地区永冻层的侵蚀表示严重关切。
Development of solids-free low temperature drilling fluid system:To be used for natural gas hydrate drilling in Tibet Plateau permafrost
无固相低温钻井液的研制——用于青藏高原永冻层天然气水合物的钻探
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
A recent study suggests, however, that permafrost ices below the surface of Mars may have altered the effects of impact on it.
但是，近来的研究表明，火星土层表面下的永久冻结冰可能改变了这种冲击效应。
Research on the Forming and Thawing of Frozen Soil Walls by Artificial Ground Freezing Method;
人工地层冻结冻土帷幕形成与解冻规律研究
Field Measurement Analysis of Natural Thawing and Artificial Thawing of Frozen Soil by Artificial Ground Freezing
人工地层冻结冻土自然解冻与强制解冻实测分析
multiplate contact freezer
多层接触式冻结装置
multiplate freezer
多层平板式冻结装置
a glaze of ice on the road
道路上冻结的一层冰面
This is the vegetational climate of arctic permafrost regions.
这是北极永冻地区的植物气候。
Division of Avoiding Loquat Freeze Injury in Yongtai Mountain Area Fujian Province Based on GIS
基于GIS的福建永泰山区枇杷避冻区划
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。
Experimental Study of the Temperature Field in a Frozen Wall Influenced by a Seasonal Frozen Soil Layer
季节冻土层影响下冻土墙温度场模型试验研究
People with minor cases of frostbite that affect only the skin may not suffer any permanent damage.
只皮肤患轻微冻疮的人可能不会有永久性伤害。
The Study of Gas Hydrate's Exploitation by Depressurization in Permafrost;
陆地永冻区天然气水合物降压法开采的研究
A Improved Permanent Scatterers Method for Analysis of Deformation over Permafrost Regions of the Qinghai-Tibetan Plateau
青藏高原冻土形变监测的永久散射体方法研究
A thin coating of ice, as on rock.
雨淞，冻雨一层薄冰，如在岩石上的