The discovery of abnormal pre-seismic phenomena, a great leap in perceptual knowledge.
震前异常现象的发现具有极高的科学价值，是感性认识上的重大飞跃。
Anyone who thinks that rational knowledge need not be derived from perceptual knowledge is an idealist.
如果认为理性知识不必由感性知识得来，那他就是一个唯心主义者。
Anyone who thinks that rational knowledge need not be derived from perceptual knowledge is an idealist.
如果以为理性认识可以不从感性认识得来，他就是一个唯心论者。
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