loose rock block 松散岩块
finite rock block 有限块体
rock block moving 岩块运动
rock block blasting 岩塞爆破
unstable rock block 不稳定块体
Rock block is heterogeneous and its acoustics property parameters have great dispersion.
岩块具有明显的非均质性,其声学特性参数离散性很大。
After that, the weathering front spread gradually and the rock block is turned into a saprolite block.
随着时间加长,风化前锋逐渐扩展,岩石结构体最终转化为腐岩结构体。
The wisps of hope the sun, is our motivation, we will be firm and inflexible, The youth, is a rock block sizes.
那一缕缕充满希望的阳光,是我们前进的动力,是我们坚强不屈的毅力。青春,是一块块大小不一的石头。
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