同时提出岩石河床冲刷研究的关键课题。
At the same, it put forward the key subject on the rock riverbed scour study.
针对岩石河床的抗冲能力，探讨了考虑阻力的岩块起动的判别条件。
As far as the scour resistances on the rocky river beds are concerned, the lifting conditions considered resisting forces for rock blocks in the scour pit are investigated.
岩石河床的抗冲能力，实质上反映了基岩在挑射水流的冲击下抵抗解体破坏的能力。
Scour resistant capacity of rocky river beds, in fact, indicate such a capacity of resisting disintegration and damage for rock mass under the impingement of free fall jets.
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