Limited knowledge of the disease, its focal distribution and the fact that it affects mainly poor rural communities contribute to low reporting of cases.
对该病的知识有限、其局部性分布以及它主要影响贫穷的农村社区这一事实是造成病例报告水平低的一些因素。
The significance of the method proposed by the authors to analyze source fault by using the data of focal distribution and mechanism of an earthquake sequence has been discussed.
文中讨论了作者所提出的利用地震序列的震源分布和震源机制资料分析震源断层的意义。
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