Among various natural disasters, the flood and water-logging is the primary disaster, because its great regions were suffered and occurred frequently.

在各种自然灾害中，洪、涝、渍害是主要灾害之一，受害面积广，出现频率高。

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Through comprehensive study, we understand the causes of various natural disasters in the world, so that we can gain the initiative to prevent various kinds …

通过综合研究，掌握了地球上各种自然灾害发生的原因后，人类对各种灾害的预防工作就会变被动为主动。

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To the reporters who specialise in nature photography is risking the danger of various natural disasters and passive plant damage record the dribs and drabs of nature.

专门进行自然摄影的记者们则是冒着各种自然灾害和被动植物伤害的危险记录着大自然的点点滴滴。

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These models do indeed help to achieve an operating plan for, and an understanding of the various conditions for and outcomes of, many different types and levels of natural disasters throughout the world.

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