Through analyzing an ephemeral phenomenon of Chinese enterprises,the gyroscopic law enabling enterprises to develop sustainablely is summarized,and the intrinsic law of sustainable development of enterprises is opened out.

However,by applying gyro-positioning technique to locate artificial magnetic field,the ultrasound imaging produced by measurement processing,where AC(Alternating Current) signal is induced by rotated coils in the artificial magnetic field as the triggering signal for image scanning,can quickly and accurately ascertain the fault.

The condition equations?normal equations?precision evaluation of rigorous adjustment methods with two shafts orientation and Gyro orientation jointing application have been discussed with a case studies for the feasibility and precision promotion.

The adjustment methods and accuracy of underground traverse are analyzed after gyro orientation line is observed.

It discusses the influence of ground control network,underground traverse survey,shaft orientation and gyroscopic orientation edge append-survey on breakthrough precision.

This paper presents the mathematical calculation of LOS gyro stabilization system for periscope, and derives the gyro movement and optical imaging formulas by means of vector analysis.