Portal image verification is one of key QA procedures for implementation of accurate radiotherapy.
照射野验证是实施精确放射治疗质量保证(QA)的关键步骤之一。
More accurate methods of reporting adverse events are needed in order to truly assess the clinical performance of different radiotherapy regimens.
未来需要以更精确的方法来报告不良事件，以真实地评估不同放射治疗方法在临床上的表现。
Beams of X of gamma rays in three dimensional (3D) conformal radiotherapy is one of very accurate treatment techniques, and also the important physical methods increased treatment ratio.
射线三维定向放射治疗作为一种精度很高的治疗技术，是提高治疗比的重要物理措施。
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