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一、问题的提出在我们今年进行的1∶10000磁法普查找矿区域内,过去曾做过一小块面积的、有测量控制点连测的1∶500磁法详查.为了系统研究本区的远景,今年要在该区开展大面积普查.在原详查区内是否还要重复野外工作?如果不重复,而过去详查区的磁法基点早已为建筑物所覆盖,因而无法连测,这样,过去的详查资料就无法利用.针对这一问题,我们提出在原详查区正常场范围内重复观测一些点,利用数理统计方法确定两次
First, the issue put forward In this year we conducted 1: 10000 magnetic method to find the prospecting area, in the past have done a small area, with the measurement control point even measured 1: 500 magnetic method for detailed investigation. If we do not repeat the fieldwork in the original detailed investigation area, and the magnetic basis point of the detailed examination area has been covered by the building for a long time, we can not even test it , So that the detailed information can not be used in the past.In response to this problem, we propose to observe some points repeatedly in the normal field of the original detailed investigation area, and use mathematical statistics to determine twice