Indeed, ingesting excess silver can cause stomach distress, seizures, kidney damage and can turn skin a bluish-gray tint, a condition called argyria that is irreversible.
事实上，吸入过量银有可能引起胃痛、痉挛、肾损伤，并且有可能造成银中毒，症状为皮肤变为不可恢复的蓝灰色。
The condition has not drawn research funding from the National Institutes of Health, so no one has performed the simple experiment that Gray says would settle things once and for all.
Gray设想了一种简单的实验，能够一劳永逸地解决这个问题，不过这项研究还没有得到美国国立卫生研究院的资助，因此一直没有进行。
A new method for reliability analysis and calculation of the gray maintainable system is put forward using the gray theory under the condition of lacking information from its practical state.
从灰色可维修系统实际工作状态出发，在缺乏信息的条件下，运用灰色理论，提出其可靠性的分析计算新方法。
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