作为医疗人员，她被分配到后方梯队，远离前线战斗。

As a medical staff, she was assigned to a ___rear-echelon unit, far from the front lines.

虽然医生在前线救治病人，后勤梯队人员则负责医疗物资的供应和管理。

While doctors treat patients on the front lines, the ___rear-echelon personnel manage medical supplies and logistics.