因此，我们认为在各项岩石强度试验中都必须将层状岩石的各向异性特征作为重要条件加以考虑。

Accordingly, we think it necessary to consider anisotropic properties of foliated rocks as one of the important factors in each test of rock ultimate strength.

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岩石的结构是极其复杂的非连续和非均质体，其力学属性具有非线性、各向异性及随时间变化的流变特性。

The structure of rock is extremely complicated discontinuous and heterogeneous body, its mechanics property has non-linear, anisotropism and rheology characteristic, which changed over time.

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岩石力学性质各向异性研究是岩石力学领域的一个经典问题。

The research on the anisotropy for rock mechanics properties is a classic problem in the realm of rock mechanics.

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