本文研究了低温对低通量密度中子照像速度的影响，得出了低温照像的最佳温度值；
The effect of low temperature on imaging speed of films for low flux neutron radiography has been studied experimentally. The optimum temperature for the neutron radiography is given.
在此基础上，对低交通量道路的交通量等级进行了划分。
Based on this, the reasonable division of the low-volume road's volume of traffic rank was carried on.
随着我国“村村通”工程的实施，各地区低交通量道路建设的规模不断扩大，但现有道路的使用情况却反映出很多问题，其中不少是关于路面结构设计方面的问题。
With the implement of"village to village"project and the extension of low-volume roads construction scale, many problem, lots of which is about structure design, shows up in the service condition.
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