The most damaging radiation are gamma rays and x-rays; energetic alpha rays (streams of helium nuclei) and beta rays (electrons) can also damage cells.
最具破坏力的辐射是伽马射线和X射线；能量强大的阿尔法射线（氦核能量流）和贝塔射线（电子流）也可以破坏细胞组织。
Objective: Using low power helium-neon laser for intravascular radiation, we aimed to treat patients with the diagnosis of lower limb venous embolism.
目的通过采用低功率氦氖激光血管内照射，治疗下肢静脉栓塞。
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