The economic analysis of decision making is an important part of the modern insect pest management in theory and practice.
害虫管理决策的经济分析是现代害虫管理理论和实践的重要组成部分。
The ratio vegetation index(RVI)method is combined with field survey of insect pest to determine critical values of RVI for different degrees of disaster and the judgement accuracy reaches 73%.
利用比值植被指数（RVI）分析法，与实地虫灾调查相结合，找出了受虫灾影响后不同灾害程度的RVI临界值，判对率为73%。
Pest risk analysis includes pest risk assessment and pest risk management.
有害生物风险分析包括有害生物风险评估和有害生物风险管理。
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