线骨密度测定仪 dual X-ray absorptiometry ; dual-energy X-ray absortionmetry ; DXA ; DEXA
双能X线骨密度测定仪 Dual X-ray Absorptiometry ; DXA ; dual-energy X-ray absortionmetry
射线骨密度测定仪 DEXA ; Dual-Energy X-ray Absorptiometry
骨密度测定仪
Bone density measuring instrument
以上为机器翻译结果，长、整句建议使用 人工翻译 。
方法对2 80例不同孕期的孕妇用超声骨密度测定仪测量跟骨骨密度（BMD） ，同期选择30例正常健康非孕期妇女做对照组。
Methods 280 cases gravidas in different gestation were determined in calcaneum bone density by using the apparatus. 30 cases normal healthy non-pregnant women were selected as the control group.
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