Through the economic comparison and the security technobgy analysis,the necessity and applicability of the stoping laneway design optimization under the complex geology conditions is expatiated condsely.

The items and methods of monitoring for expressway tunnel constructed by NATM with complex geology are discussed.

The method for determination of sodium cyclamate in food with complex matrix;

The experiments and practice demonstrate that the non_linearity of fluids flow and variability of flow states are the main features of fluids flow in the reservoirs composed of complicated media.

The seismic facies will become confused i n physical modeling about complicated media such as in metal deposits.

Wave equation finite-element modeling including rugged topography and complicated medium;

Block model-building and ray-tracing in 2-D complicated medium;

Further more,the special boring methods for high side slope of complicated geology were illustrated in details.

30 m diameter and100 m hole depth) of Han River Second Bridge in Yuekou,the preparation work,construction technique measures,quality detection and control of work time of ultra-deep large diameter pile foundation construction under the complicated geology were introduced in this paper.