These criteria not only apply to the materials of unequal tensile strength, but also to the rock material that uniaxial compressive strength is not equal to biaxial compressive strength.

这三个新的强度准则不仅适用于拉压强度不等的材料，并且适用于那些单轴压缩强度不等于双轴压缩强度的岩土类材料。

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The borehole penetrating method can rapidly and accurately test the uniaxial compressive strength (UCS) of coal and rock mass.

基于钻孔触探法原理，开发出小孔径井下煤岩体强度测定装置。

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