Soft tissues are seen with the same machine as for hard tissues, but a "softer" or less-penetrating X-ray beam is used.
软组织与硬组织的同一台机器,但用于“软”或更少穿透X射线束。
Objective to investigate the application of the limited cone beam ct (3dx) for the diagnosis of the hard tissue disease of apex and the anatomical morphology of the teeth.
目的研究牙科用三维小视野照射CT (3dx)在口腔内科根尖部硬组织疾病诊断和牙齿解剖学形态影像中的价值。
The losses Bessel-Gaussian beams, a kind of non-diffracting beam, propagating through a hard aperture are studied, and a general formula is derived.
对无衍射光束———贝塞尔高斯光束通过硬边光阑时的功率损耗作了研究,给出了普适的损耗公式。
应用推荐