在全党全民办地质、大中小相结合的方针指导下,我们已经向广大的群众推广了应用万能磁力仪来找磁铁矿的方法。但是根据目前的情况,配合这种工作的测量工作如果用价格昂贵达几千元的经纬仪是不 Under the guidance of the principle of combining the geology of the whole Party with the people and implementing the combination of medium, small and medium, we have already promoted to the general public the method of finding a magnetite using a universal magnetometer. However, according to the current situation, if the surveyor cooperating with such work is not using the theodolite expensive for several thousand dollars