The geomagneticsurvey in Beijing area during 2001~2007 has obtained a lot of precise and reliability data.
2007年北京地区地磁测量工作，取得了大量可靠的资料。
2
The results show: if there is no strict location sign in mobile geomagneticsurvey, it will cause serious problem.
结果表明：流磁如果没有严格的定位标记，则给测量资料带来严重的不良后果。
3
Through the training course, all participants can meet the requirements of the standards, and each survey team can well finish the field geomagneticsurvey work.