The countermeasure and technique To control the water hazard from coal floor on complicated hydrogeological condition;

Displacement control under deep foundation pits complicated conditions——Design of the foundation pit of Yalong General Headquarters Building;

Study survey on moving objects detection in complicated condition;

Base on the complicated condition in locale,had studied transport and set the technology of hydraulic support,introduce how to transport and set,how to prevent slant of hydraulic support,the worker's position and the innovation of technology and so on,in excavate coal locale,summarized a series of effective technology of large-scale excavate coal equipment setting.

Stress and stability analysis of high arch dam under complex conditions;

In the meantime, it gives an example for the land use classification based on vector data under complex conditions and probes the remote sensing image classificationwith the vector data.

The purpose of this thesis writing is talking about the studies on the controlled blasting demolition on chimneys in complex conditions by way of a practical demolition example of a 70 meters high chimney,on the scheme of controlled blasting demolition,incision of blasting as well as design of the directional windows and choosing blasting parameters.

Safety and quick recovering technology at light face under complex conditions;

Analytic solution of beams on Winkler foundation under complex conditions;

Design and practice of freezing method applied to connected aisle in tunnel under complex conditions;