Retrospective application of this Standard on new or facelift vehicles or components on which the PDS or design was defined prior to the above date shall be at the discretion of the design Engineer.
追溯适用这一标准的新服务或整容的车辆或部件,即综合布线系统或设计被界定之前,上述日期,应在谨慎的设计工程师。
Methods Retrospective analysis was made for 235 cases on the following items: age at IUD removal, years after menopause, preoperative estrogen application and the cause of IUD removal.
方法对235例绝经后取环病例有关的取环年龄、绝经年数、术前雌激素应用以及取环原因等进行回顾性分析。
Methods: Retrospective analysis of the application of fiber bronchoscope in 68 cases of PTTs.
方法:回顾性分析在68例原发性气管肿瘤诊治中纤维支气管镜的应用。
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