METHODS: The stereotactic radiotherapy treatment planning system (SRT TPS), target simulator and head frame were used to check the errors of target localization during each radiation procedure.
方法：使用立体定向治疗计划系统、靶点模拟器、头部定位框架检查各个治疗阶段靶区定位的误差。
The system consists of buoy subsystem, wireless communication link, display and control subsystem and several auxiliary equipments such as target simulator.
该系统由浮标分系统、无线数据通信链、显控分系统和目标模拟器等辅助设备组成。
The infrared target simulator is composed of infrared target image transmitter and the optical projection system.
红外目标模拟器由红外目标图像发生器和投影光学系统组成。
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