冰岛米达尔斯冰原：火山科学家收集埃亚·菲亚·德拉冰盖喷发的火山灰样品以便分析。
Myrdalssandur, Iceland: Volcano scientists collect samples of ash from the Eyjafjallajokull eruption for analysis.
其次，在手机产业风险来源与因素分析的基础上，通过德尔菲法确定了手机产业供应链风险的识别方法。
Secondly, on the base of the analysis of the sources of risk and factors, through the Delphi method to determine the mobile phone industry supply chain risk identification.
方法采用文献检索、聚类分析、德尔菲专家咨询等研究方法，遴选中等发达卫生水平指标项目。
Methods Such research methods as information retrieval, cluster analysis, and Delphi expert consultation were used to select index items of medium developed health level.
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