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The prevalence of powdery mildew (PM) in winter wheat field has a severe impact on crop production. An effective and timely forecast of the disease at a regional scale is necessary to control and prevent it. In this study, both meteorological and remotely sensed observations associated with crop characteristics and habitat traits were integrated for modeling the PM occurrence probability. With an...
After analyzing and quantifying the network security situation awareness, a quantification method for NSSA based on conditional random fields (CRFs) was proposed. Based on the positive and negative ideal comparative standards, the evaluation index elements are processed in a non-dimensional grey way, and a qualitative-quantitative evaluation method with the multilayer linear weight for the network...
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