短語詞組短語Resource Availability Date 資源可用日期Resource Availability Pool 資源可用庫Food resource availability 可食性植物資源貯量high resource availability 資源利用率高resource availability prediction 資源可用性預測energy resource availability 能源可獲量soil resource availability 土壤資源有效性the resource availability theory 資源可利用性理論resource availability threshold 資源可用門限 返回 resource availability