At present, due to the weakness of theoretical research on rockfall, the prevention and control means of rockfall have been affected badly.
目前，国内外有关滚石的理论研究比较薄弱，以致滚石灾害的防治工作受到严重的影响。
At present, due to the weakness of theoretical research on rockfall, the prevention and control means of rockfall have been affected badly.
目前，国内外有关滚石的理论研究比较薄弱，以致滚石灾害的防治工作受到严重的影响。
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