以下为句子列表：
英文: Difference of stress distribution, maintaining condition and long age between the concrete lining of road tunnel and permitted qualification of synthetic method of ultrasonic rebound are analyzed, and a principle is put forward that the lining strength sh
中文: 摘要对超声回弹综合法的应用条件与隧道衬砌在应力分布、养护环境和长龄期等方面的差异性进行了分析，然后基于隧道衬砌的类别划分，对超声回弹综合法的统一测强公式进行了多种形式的修正研究，优选出了能进行应力、养护环境和长龄期修正的参数公式。
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英文: The practice shows that it is effective to decrease the cracking of the concrete lining slab through the active adoption of those measures.
中文: 实践证明：通过采取积极的预防及控制措施，对减少混凝土衬砌板裂缝的产生是非常有效的。
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