treatment free interval 无化疗缓解期
Methods Q1064 and Q755 laser were applied in the treatment of nevus of Ota . The treatment interval was 2 months.
方法选择特殊波长（Q1064及Q755）的激光，根据太田痣病变的色泽、深度及密度分别治疗，每次治疗间隔为2个月。
Methods:copper vapor laser was used as light source. PDT was applied in treatment of nevus flammeus. The treatment interval was 3~6 months.
方法：选择铜蒸汽激光作为光源，以光动力疗法治疗鲜红斑痣，每次治疗间隔3 ～6 个月。
A small fracturing treatment performed before the main hydraulic fracturing treatment to acquire critical job design and execution data and confirm the predicted response of the treatment interval.
在主要水力压裂处理以前所进行的小型压裂处理。其目的在于获取作业设计和实施的关键数据和确认处理层段的预计反应。
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