However, study on the mechanism of rockfall and on technology for preventing and controlling rockfall hazards is comparatively backward in our country, and new methods and technology needed badly.
然而,国内有关滚石发生机理和滚石灾害防治技术的研究明显不足,并且亟待新方法和新技术的出现。
参考来源 - 废旧轮胎拦石网的室内试验研究·2,447,543篇论文数据,部分数据来源于NoteExpress
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