Studies have documented the same phenomenon in some villages in Niger, where extensive water-harvesting measures helped raise water tables by fifteen meters between the early 1990s and 2005.
研究证实同样的奇迹也发生在尼日尔的一些村庄。 从上世纪九十年代到2005年，广泛使用的集水设备帮助当地的水位提升了15米。
Extensive studies in the affected population are continuing to determine the long-term human health effects from this incident.
对受害人群的广泛研究仍在继续，以确定这次事故对人体健康的长期影响。
Results of extensive investigation in studies that mimic human exposure do not show any evidence of neurological effects, such as memory and learning problems, of aspartame consumption.
对模拟人群阿斯巴甜暴露研究的广泛调查结果表明，没有证据显示阿斯巴甜消费出现诸如记忆和学习问题的神经学效应。
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