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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The increase of bone density refers to the strengthening of the bones which helps prevent injury, pain, and arthritis.

骨骼密度的增加，意味着骨骼的强度加大，对防止损伤、疼痛以及关节炎极有益处。

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Perhaps because of its role in calcium absorption, high-dose vitamin D did appear to help maintain bone density at the neck of the femur, the top of the thighbone near the hip joint.

也许是因为它促进钙质吸收的作用，高剂量维生素D确实显示出有助于维持股骨颈（靠近髋关节的大腿骨顶部）的骨密度。

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The study is said to be the first to examine in detail measurements of bone strength instead of bone density.

VOA: special.2009.03.10

Professor Keyak says the measurement is much greater than monthly reductions in bone mineral density of point four percent and one point eight percent.

VOA: special.2009.03.10

X-rays, which measure the density of bone.

ECONOMIST: Medicine

Japanese researchers will now study how the bone density of the Medaka fish has changed over time, helping them understand similar changes that occur in human astronauts.

FORBES: Dragon Returns To Earth With 'Space Fish,' Toothpaste Research

In the past, it was widely believed that a decrease in bone density was the main cause of osteoporotic fractures.

ECONOMIST: Medicine