Based on the force analysis of single bubble movement and movement characteristic research of many bubbles in random time section, the mathematics modeling of many bubbles movement was built up.

The oil-gas exploration of subsalt structure in Kuqa depression indicates that the structural styles appear to be seriously distorted in time section for being influenced by the structural styles and velocity structures of overlying strata,resulting in partly big differentiation from real configuration.

This paper introduces and analyzes the application of the least square method and Kalman filter in time prediction.

Following a brief review of the research course and a further definitio n and discussion of some concepts of time prediction of landslide,the paper poin ts out problems in the present time prediction of landslides and advances fundam ental ideas and technical courses of GMD model for landslide prediction based on the author s years of research.

ased on the introduction to the geological characteristics and classification of accumulational ladslide,the anthors present the main effect factors of slope stability,discuss the relationberwwen the stability analysis and the time forecast of landslide.

The analysis is expressed in terms of harmonic wavelet time-frequency map,time-frequency contour map and time-frequency profile plot.