双能射线吸收仪 dual enerny absorptiometry
双能X射线骨密度检查 dual-energy X-ray bone density screening
双能X射线吸收法 dual energy X-ray absorptiometry ; DEXA ; DXA
双能x射线吸收测量法 dual energy x-ray absorptiometry
双能X射线 dual-energy X-ray
双能X线照射法 dual-energy X-ray irradiation ; DEXA
双能X射线骨密度仪 dual energy X-ray absorptiometry
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。
The bone density of the mandibular angle and coxofemoral region can be measured with dual-energy X-ray absorptiometer.
这项技术通过双能X-射线成像，重叠的组织信号可以被隔离，并利用不同能量的X射线的改变衰减量化。
The technique makes use of dual energy X-ray imaging, where overlapping tissue signals can be isolated and quantified by exploiting the change in X-ray attenuation at different energies.
双能CT也已被证明能够改进图像质量和减少伪影如射线硬化等在CT灌注成像方面的传统局限性（101）。
Dual-energy CT has also been shown to allow for improvements in image quality and reduction in artifacts such as beam hardening that have traditionally limited CT perfusion imaging(101).
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