1. Isodose curves are used in radiation therapy to show areas of the body receiving the same dose of radiation.
等剂量线在放射治疗中用来显示身体接受相同剂量辐射的区域。

2. The treatment plan aims to achieve a uniform isodose distribution throughout the target area.
治疗计划旨在在目标区域内实现均匀的等剂量分布。