这种裂缝，深渊中污泥的龟裂，专门名词称之为地陷。

This crevice, the hiatus of a gulf of mire, was called a fontis, in the special tongue.

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实木地板物理形状不稳定的主要表现形式为涨变、裂缝和漆膜龟裂。

The instability of wood floors refers to swelling, cracking and paint chapping of their physical shapes.

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同时，运用纵波波速的比值——“龟裂系数”方法对扶余油层储层的裂缝发育频率进行了分析、计算。

In the meantime, fracture developing frequency of Fuyu oil pay zone is analyzed and calculated by using ratio of vertical wave velocity - "crocodile factor" method.

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