The density of a bone and the quality of saw blade had significant effect on the accuracy of bone resections.
骨密度和锯的质量对截骨的精准性有显著意义的影响。
There is moderate evidence suggestive of a positive effect of black tea consumption on bone mineral density although studies were few.
有研究证实饮用清茶对骨密度的增加有良好的作用，但相关资料较少。
Objective To observe the effect of progressive resistance exercise combined with alendronate sodium on bone mineral density(BMD)of lumbar spine in patients with postmenopausal osteoporosis.
目的观察渐进抗阻训练结合阿仑膦酸钠疗法对提高绝经后骨质疏松症患者腰椎骨密度的效果。
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