Through precise observations (the error of which should be smaller than 1%), it is possible for us to obtain precursory information of the earthquakes.
通过精密观测(误差在1%以下)，能获得地震的前兆信息。
How precise and thorough are her observations!
她的观察是多么准确和透彻啊！
How precise and thorough are her observations!
她的观察是多么准确和透彻啊！
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