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The elements are coprecipitated in bone in the ration of about 2 calcium: 1 phosphorus forming hydroxyapatite.
钙磷两种元素以约2∶1的比例形成羟基磷灰石沉积在骨骼内。
youdao
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The elements are coprecipitated in bone in the ration of about 2 calcium: 1 phosphorus forming hydroxyapatite.
钙磷两种元素以约2∶1的比例形成羟基磷灰石沉积在骨骼内。
youdao