The whole construction and erection procedure of the structure stress was introduced.

本文介绍了结构吊装次序和支撑撤除过程；

Dynamical characteristics of the gyroscope during spin-up and erection procedure, and the influence of the stray magnetic field on gyro's drift and speed attenuation are investigated.

讨论了陀螺在驱动、定向过程中的动力学特性，以及杂散磁场对陀螺漂移和转速衰减的影响。