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内容简介：
农业部门广泛利用无人机帮助种植户进行“一喷多促”作业，技术人员通过物联网监测系统对虫情、这两天，病情、科技赋能增加粮食产能。在黑龙江垦区，确保秋粮丰收。接近总面积的六成。在河北邯郸高标准农田示范区，青
