An automatic radon measuring instrument type JSZ-2 for observing the continuous change of radon concentration of underground water in the search of earthquake precursors is described in this paper.
本文描述了一种可用于试验研究地震前兆，观测地下水中氡气浓度连续变化的设备——JSZ - 2型自动测氡仪。
An automatic radon measuring instrument type JSZ-2 for observing the continuous change of radon concentration of underground water in the search of earthquake precursors is described in this paper.
本文描述了一种可用于试验研究地震前兆，观测地下水中氡气浓度连续变化的设备——JSZ - 2型自动测氡仪。
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