地震烈度包络线通常用地面调查宏观地震影响和破坏现象来划分。
Earthquake isoseismal is usually determined based on the macroscopic earthquake affection and damages observed in the field.
不同应变速率下的动强度包络线呈现相似形式，服从抛物线破坏准则。
The failure envelopes of dynamic strength of frozen silt under different strain rates resemble each other in shape, namely, obey the parabola failure criterion.
液化面作为累积剪切功的函数，从初始应力点的包络线开始，随着循环活动性的进行，逐渐接近破坏线。
The liquefaction front, originating from the envelope of initial effective stress points, gradually approaches the failure line as the cyclic mobility proceeds as a function of plastic shear work.
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