刚刚闭幕的第五届全国人大四次会议确定党中央、国务院作出了修建青藏铁路的重大决策,引起国内外的极大关注。如何在冻土层上筑路则是铁路建设技术的难点和人们关注的焦点。本文作者用自己的亲身经历说明了我国科研工作者为解决这一难题是如何征服困难的,读来令人钦敬。 The Fourth Plenary Session of the Fifth National People’s Congress, which was just concluded, confirmed that the Central Party Committee and the State Council have made major decisions on the construction of the Qinghai-Tibet Railway, arousing great concern at home and abroad. How to build a road on permafrost is a difficult point of railway construction technology and the focus of people’s attention. The author of this article, with his own personal experience, shows that it is admirable for our scientific researchers to overcome this difficult problem.