Average and total losses experienced by all responding beekeepers in the AIA and USDA surveys who managed bees in one or more than one state.
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Average and total losses experienced by all responding beekeepers in the AIA and USDA surveys who managed bees in one or more than one state.
在AIA与美国农业部（United States Department of Agriculture）的调查中，所有在一个或多个州管理蜂群的受访养蜂人所经历的平均损失与总损失
创建时间：
2015-12-02
