试论地下流体前兆复杂性及其机制

论述了地下流体地震前兆异常形态的多样性、空间分布的离散性、时间进程的不确定性、幅度的不规则性及其与地震关系的非确定性。同时从复杂的动力源、构造、水地质条件以及复杂的应力应变接收系统，讨论了地下流体前兆复杂性的机制。

Research on Complexity of Underground Fluid as Earthquake Precursor and Its Mechanism

Varied shapes,dispersed spatial distribution,uncertain time process and irregular amplitude of seismic fiuid precursor anomalies and their relation of uncertainty with earthquakes are discussed.And then mechanism of seismic fluid precursor complexity is researched on the basis of complex dynamic source,complex tectonis and hydrologic conditions and complex receiving system of stress and strain.