Radiosurgery depends on the use of multiple beams. Individually, each delivers a low dose of radiation.

放射外科手术依赖于多束的使用。单独地，每个都提供低剂量的辐射。

In addition to enabling doctors to target tumors in the brain while leaving the surrounding healthy tissue relatively unharmed, the use of multiple beams also gives doctors flexibility.

除了使医生能够在不伤害周围健康组织的情况下瞄准大脑中的肿瘤外，多光束的使用还为医生提供了灵活性。