骨密度是指骨单位面积所含的骨矿物量，它是反映人体骨骼代谢状况的一项重要指标。
The bone mineral density (BMD) means the bony mineral quantity per unit area, which is an important index reflecting the metabolic status of the skeleton of human being.
骨密度是指骨单位面积所含的骨矿物量，它是反映人体骨骼代谢状况的一项重要指标。
The bone mineral density (BMD) means the bony mineral quantity per unit area, which is an important index reflecting the metabolic status of the skeleton of human being.
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