求翻译：文章提出了突发事件下粮食需求畸变为相对超额需求和绝对超额需求两种不同类型的超额需求，探讨相关形成机理，并提出相应的危机管理政策建议。是什么意思？

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The article by unexpected events under abnormal demand for food into a relative excess demand absolute excess demand and two different types of excess demand, explore related can form and make the corresponding crisis management policy recommendations.

The article proposed under the thunderbolt the grain demand distortion for exceeds the quota relatively the demand and exceeds the quota the demand two kind of different types to exceed the quota absolutely the demand, the discussion correlation forms the mechanism, and puts forward the correspondin

Articles put forward under the emergency food needs during orthodontic becomes relative and absolute excess demand excess demand are two different types of excess demand, discussion on the formation mechanism and make appropriate recommendations for crisis management policy.