“地球的气温上升，几乎世界上所有冰冻地区都在融化，”他说。
"The earth's temperature increases, melting virtually all ice regions of the world," he said.
主要介绍冰冻地区利用具有一定冻敏性的松散细集料粉煤灰修筑路堤及冻胀防治的研究成果。
The research achievement of the embankment constructed with frost susceptibe a loose fine aggregate and fly ash and frost prevention are introduced.
在我国北方高寒冰冻地区接地系统的接地电阻季节系数可达3.0，接触电压和跨步电压季节系数可能达到10和5.4。
The seasonal coefficient of grounding resistance possibly reaches 3.0 in freezing region of North China, and those of touch voltage and step voltage 10 and 5.4, respectively.
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