紫外线指数是由世卫组织、联合国环境规划署和世界气象组织共同制定的紫外线测量国际标准。
The UV index (UVI) is the international standard for UV measurement, developed by WHO, the United Nations Environment Program and the World Meteorological Organization.
环境学家和气候科学家已经开始利用联合国粮农组织的研究成果呼吁减少甚至是拒绝食用肉类。
Environmentalists and some climate scientists (to say nothing of vegetarians) have used the FAO's work to call for a reduction - or even eradication - of meat eating.
联合国儿童基金会正在水和环境卫生领域提供技术指导和用品，世卫组织正派遣一名流行病学家。
UNICEF is providing technical expertise and material in the area of water and sanitation; WHO has deployed an epidemiologist.
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