国文屋有关occurence的精选知识
知识的精华会让学习更简单容易，热门的occurence鉴赏列表是专门提供occurence的相关精彩内容的地方，这里的occurence相关内容，小编都精心编辑，精选优质occurence的相关知识，分享一些occurence方面的精华知识。
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![“occurence”造句，怎么用occurence造句]( "“occurence”造句，怎么用occurence造句")
“occurence”造句，怎么用occurence造句
Thispaperdealswiththefrequency,seasonalcharacter,regionaldistributionofdroughtoccurenceandrecurrenceintervalofdroughtoccurencelastingforyears.Thispaperinvestigatestheoccurenceofplasticnowlayerandforma...
