In this paper, the theory and method of seismic sub-wave are used to approach the data from artificial earthquake sounding conducted twice in Yunnan.
本文应用地震子波理论和方法对云南两次大规模人工地震测深资料进行研究。
The comprehensive evaluation index system of POP in approach and landing phases was established by consulting in-service pilots with Delphi method twice.
采用德尔菲法对现役飞行员进行两轮咨询，建立了基于安全性的进近和着陆阶段飞行员操作程序综合评价指标体系；
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