The matrix of bone contains both fibers of the protein collagen and mineral deposits.
硬骨的基质既含有蛋白质的胶原纤维，也含有矿物质沉积。
The matrix of bone contains both fibers of the protein collagen and mineral deposits .
硬骨的基质既含有蛋白质的胶原纤维，也含有矿物质沉积。
The matrix of bone contains both fibers of the protein collagen and mineral deposits .
硬骨的基质既含有蛋白质的胶原纤维，也含有矿物质沉积。
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