沉积物结构构造随斜坡地形的类型而逐渐变化。
The sediment fabric changes gradually along this type of clinoform.
这是一个真实的三维结构，回填与沉积物。
It is an actual three-dimensional structure, backfilled with sediment.
为了保持样品沉积物的层次结构，就要用空心铁管采样器。
To take samples that retain the larger structure of the sediment, a core sampler is used.
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