OCT has many advantages over other existing medical modalities, including use of nonionizingradiation, display of contrast between soft tissues and disclosure of functional information.
光学成像法与现有的辐射成像方法相比具有辐射是非电离的；可以区分软组织；
2
It’s a non-ionizing type of electromagnetic radiation, as opposed to the ionizing radiation used in radiation therapy, for example.
不过，有别于化疗时的电离辐射的是，手机辐射是非电离性的。
3
Cell phones produce "non-ionizing" radiation, which, unlike X - or gamma rays, doesn't damage DNA by stripping away electrons from molecules in cell tissue.