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World Water Day: Citizen scientists provide valuable information on intermittent rivers（图）
World Water Day Citizen scientists valuable information intermittent rivers
2019/11/22
On World Water Day and throughout the year, citizen scientists are providing valuable data on intermittently dry rivers in the Southwest United States.Trained citizen scientists are mapping three such...
On World Water Day,scientists peer into rivers to answer water availability questions
World Water Day scientists rivers to answer water availability questions
2016/3/28
The following is part nine in a series on the National Science Foundation's Critical Zone Observatories (CZO) Network.Parts one, two, three, four, five, six, seven&#...
音频：外交学院英语听力第三册课件样章 Annan Speaks on World Water Day
音频 外交学院 英语听力 第三册 课件样章 Annan Speaks on World Water Day
2014/7/30
音频：外交学院英语听力第三册课件样章 Annan Speaks on World Water Day。