地震前兆台站的防雷问题是一个十分重要的问题，然而防雷技术目前在国际上尚未过关。
It is a very important problem to protect seismic precursor observation stations against lightning, but the technique of lightning protection has not been up to standard yet in the world.
地震前兆数据采集器是数字化地震前兆台站的关键性设备之一，其指标、性能对前兆观测数据质量有重要影响。
The acquisition system of earthquake precursor data is one of the key devices for digital earthquake precursor station, its technical target and property have important influence on data quality.
文中所用的优化方法对于指导地震前兆观测台站的优化具有一定意义。
The method to optimize observatory distribution is very important to direct the optimization of earthquake precursory observatories.
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