原味牛奶很重要，因为它可以很好的提供钙。
Plain milk is also important, as it provides a good source of calcium.
其原岩岩石类型有火山岩，陆缘碎屑沉积岩，火山、岛弧拉斑系列或钙堿系列火山岩、蛇绿岩等。
Their original rocks are volcanic rocks, epicontinental clastic sedimentary rocks, and ophiolite of volcanic and island arc tholeiitic series or calcium alkali series.
方法将致密丝素膜、多孔丝素膜和对照组的牛心包、蚀原海绵行复钙、溶血和血小板粘附试验。
Methods Recalcification, hemolysis and platelet adhesive test were conducted for the compact silk membrane, porous silk membrane, bovine pericardium and collagen sponge.
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