在她第二次参加马拉松时，在跑向波特兰的路上，她摔断了腿骨。
On her second marathon, en route to Portland, she fractured a bone in her foot.
松质骨孔隙率在垂直于轴向的方向基本不变。
The cancellous bone porosity basically keep constant along the transversal direction.
目的：探讨钛涂层接骨板松质骨螺钉治疗骨折的机制。
Objective: To discuss the mechanism of titanium-coated bone implant in bone fracture treatment.
不同年龄组的松质骨与皮质骨骨密度年丢失率无差异（P>0.05）。
The loss rate of BMC value was similar between cancellous bone and cortical bone (P > 0.05).
固化半小时后材料达到松质骨的强度。
After solidifying for half an hour, the material reaches the strength of spongy bone.
固化半小时后材料达到松质骨的强度。
After solidifying for half an hour, the material reaches the strength of spongy bone.
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