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.
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。
2
The system of human body is a complex time - varying non - linear system and pulse condition is one of the output signals of human system.
人体系统是一个时变非线性的复杂系统，脉象是人体系统的输出信号。
3
The paper calculates the deformation and the stress of dam body and face for concrete faced rock fill dam with non-linear finite element method and taking Shenzhujiang model as rock fill body model.