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用核子旋进式磁力仪在野外进行地磁场总强度测量的流动地磁测量工作已在地震部门许多单位开展多年,取得了不少经验。为获得高精度的测量数据,制定了有关规范,对仪器的标定、比测、野外观测以及资料通化等重要环节作了一系列具体规定,但还存在一些问题,特别对野外测量资料误差的来源、性质、量级等问
The flow geomagnetic survey that uses the nuclear precession magnetometer to measure the total strength of the geomagnetic field in the field has been carried out in many units in the seismological department for many years and has gained a lot of experience. In order to obtain high-precision measurement data, a series of specific provisions have been formulated, such as the relevant norms, the important links of instrument calibration, ratio measurement, field observation and data communication. However, there are still some problems, especially for sources of error of field measurement data , Nature, magnitude and other questions