条件价值评估 meaning in English

cvm

Estimating urban inland river ecosystem services value in shanghai by contingent valuation method
上海城市内河生态系统服务的条件价值评估
Application of contingent valuation method in research on agricultural water price of irrigation district
灌区农业水价研究的条件价值评估法
Contingent valuation of the economic benefits of restoring ecosystem services of xincun bay in hainan island
海南新村海湾生态系统服务恢复的条件价值评估
Contingent valuation of the economic benefits of restoring ecosystem services of zhangye prefecture of heihe river basin
黑河流域张掖地区生态系统服务恢复的条件价值评估