关键词: 干旱灾害;极端干旱;降水量;等级;明代;延安地区 [gap=1883]Key words: drought disaster; extremely dry climate; precipitation; grade; Ming Dynasty; Yannullan Area
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A second, more likely, explanation is that the extremely dry climate of ancient Egypt was largely responsible, given that dryness promotes the preservation of organic remains generally.
第二种,更有可能的解释是,古埃及极端干燥的气候是主要原因,因为干燥促进了有机遗骸的保存。
Maintaining a regular income is a constant battle as the climate in this semi-arid country is prone to severe, freezing winters and extremely dry summers.
蒙古位于半干旱地区,其气候易受严寒天气和极其干旱夏季天气的影响,正因为如此,牧民们总是要想方设法地维持稳定收入。
Tarim river basin situated the inland with dry climate, scarce precipitation, intensive evaporation, water shortage, and extremely fragile. ecological environment.
塔里木河流域深居内陆,气候干旱、降水稀少、蒸发强烈、水资源匮乏,生态环境极其脆弱。
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