金融风险；预警指标体系；主成分分析法。
Financial risk; Precaution index System; Principal Component Analysis.
物理及化学成分指标列在表30中。
物理及化学成分指标列在表29中。
知道有关指标是由哪些成分组成也非常重要。
It is vital to know the accurate components of an indicator.
煤灰成分是气化及动力用煤的参考指标。
Ash components of coal are the reference of the gasification and power coal.
煤灰成分是气化及动力用煤的参考指标。
Ash components of coal are the reference of the gasification and power coal.
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