根据该区地球物理测量成果，共圈出重力异常区10个、磁力异常区18个。
About 10 gravity anomaly areas and 18 magnetic anomaly areas are found in geophysical surveys at Lunlang lead-zinc deposit.
如何利用低价格的GPS而又能达到较高定位精度是地球物理测量人员特别是电法勘探人员十分关心的问题。
How to achieve high positioning accuracy by using low-price GPS is a problem of interest to geophysical survey crew, especially to electrical prospecting crew.
他们还用各种各样的仪器和方法，通过测量地震前发生的地球物理上的变化，如地表倾斜度和 活性断层附近的磁场变化，对地震进行预测。
These instruments measure tilts int the ground's surface, as well as changes in the magnetic field near active faults . Usually these changes precede the occurrence of some earthquakes.
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