Chronic fluorine exposure may cause abnormal calcium accumulation in bone structure (fluorosis) due to low-level systemic absorption.
慢性氟暴露会导致由于低水平的系统吸收引起的在骨骼结构里的异常钙积累(氟中毒)。
The enhanced ir absorption and abnormal ir effects are their anomalous ir optical properties.
增强红外吸收与异常红外效应是其特殊的红外光学性能。
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