搜索结果: 1-1 共查到“资源经济学 the five United Nations”相关记录1条 . 查询时间(0.085 秒)
The five United Nations regional commissions cooperate on energy efficiency
the five United Nations regional commissions energy efficiency
2009/6/16
On 4 June 2009, representatives from the five United Nations regional commissions, the Economic Commission for Europe (ECE), Economic and Social Commission for East Asia and the Pacific (ESCAP), Econo...