In order that the crops in open field could survive safely the winter frost prevention operation is of Paramount importance.
为了使这些大田作物能够安全越冬，防霜作业具有极端重要意义。
The only small-scale weather modification other than local frost prevention is that of clearing an airport or airstrip of fog.
除局地防霜外，唯一的小尺度人工影响天气 作业是清除航空港或简易机场上的雾。
The research achievement of the embankment constructed with frost susceptibe a loose fine aggregate and fly ash and frost prevention are introduced.
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。
We have summarized a new technology on watertight seal and frost prevention suitable for that. In this paper, the application and effects are introduced with the example of lotus dam.
本文将阐述面板堆石坝顶部止水防冻新工艺在莲花电站面板堆石坝上的成功应用及效果。
This result is of im - portance both to selecting frost resistant varieties and to frost damage prevention.
该研究结果对于抗霜品种的筛选以及霜冻害的防御工作有一定的参考意义。
In the seasonal frost regions, more attention is often paid to frost heave index in the aspect of prevention and cure of roadbed frost damage.
在季节冻土地区，防治路基冻害问题，强调较多的往往是室内冻胀指标，而对融沉指标考虑的较少。
This paper introduces the road frost heave damage causes and prevention and control measures.
介绍了道路冻胀的破坏原因以及防治措施。
The highway frost boiling is a familiar disease in the north area of our country. The paper discusses and studies the cause, theory and prevention of highway frost boiling that should be solved.
公路翻浆是我国北方地区常见的冻害，如何防治翻浆保证路面畅通是公路工程及养护长期需解决的问题，就翻浆产生原因、理论分析及防治方法进行了深入地探讨研究。
By means of study on frost heave mechanics, the measures of frost heave prevention are discussed in today railway construction to different natural conditions.
通过对冻胀机理的研究，针对不同的自然条件，分别探讨了当今在铁路建设中广泛采用的防冻胀措施。
By means of study on frost heave mechanics, the measures of frost heave prevention are discussed in today railway construction to different natural conditions.
通过对冻胀机理的研究，针对不同的自然条件，分别探讨了当今在铁路建设中广泛采用的防冻胀措施。
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