接触水平-反应关系
xposure levelresponse relationship
接触水平效应关系
Exposure effect relationship
普遍率与严重度关系(I-S 关系)
incidence-severity relationship
层拉平水平切片
horizontal slice of level flattening
城市节水水平
the level of city water-saving
城市节水水平综合评价
Comprehensive Assessment of Urban Water Saving Level
肥水关系
Relation of fertilizer and water
供水水平
amount of water - applied
irrigation rate
流水关系有向图
pipeline relationship directional graph
农田灌溉节水水平
the level of water-saving agricultural irrigation