如果疼痛是心脏病发作的前兆，进行重症监护将是最好的预防治疗方法；如果不是心脏病，重症监护只会浪费钱并使病人受到危险的感染。
If a heart attack is imminent, intensive care is best; if not, it wastes money and exposes patients to dangerous infections.
这些症状可能是脑膜炎的前兆，有潜在的生命危险。
These could be signs of meningitis, a potentially life-threatening infection.
综合分析中小地震活动和前兆异常群体演化特征，对于判定中期地震危险区是十分重要的。
It is helpful for judging the emphatic area of medium term earthquake risk by synthetical analysis of seismic activity and the features of precursory anomaly evolution in group.
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