介绍青藏铁路建设的主要成就。内容包括：1）青藏铁路建设取得突破性进展；2）依靠科技创新，攻克冻土难题；3）贯彻基本国策，保护生态环境；4）坚持卫生先行，搞好健康保障；5）更新建设理念，勇创世界一流。

Great achievements have been made in the construction of QinghaiTibet railway: a. Breakthrough development has been achieved in the construction of QinghaiTibet railway; b. The difficult problem of frozen soil has been solved by means of scientific and technological innovations; c. The basic national policy of protecting the ecological environment has been strictly followed; d. Medical and health measures have been taken in advance and the health of the workers has been guaranteed; e. The railway construction concept has been updated and world firstclass railway has been built.