The bone density of the mandibular angle and coxofemoral region can be measured with dual-energy X-ray absorptiometer.
可以使用双能 X 射线吸收仪测量下颌角和股骨区的骨密度。
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This penetrating view of the central region of the Eagle Nebula from Nasa's Chandra X-ray observatory reveals the incredible amount of star formation inside the iconic 'Pillars of Creation'.