聚类分析结果显示， 作物类型会影响土壤古菌群落结构。
The cluster analysis showed that crop type impacts the community structure of soil archaea.
通过对作物生长期内植被指数变化曲线分析，选择合适的分类特征，进行华北地区主要作物类型识别。
Selecting the proper classification features, the primary crop types in North China could be identified through the analysis of the vegetation index time series in growth season.
我们发现，美国非转基因小麦产量也落后于欧洲，演示美国人生物技术中的选择使转基因以及非转基因作物类型都落后于欧洲。
We found that US yield in non-GM wheat is also falling further behind Europe, demonstrating that American choices in biotechnology penalise both GM and non-GM crop types relative to Europe.
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