It might do this if it expands the input data (for example, by decompressing it).当输出比输入的数据量大时，通常使用这种方法(比如，解压缩)。
Combined interspinous enlarged windowing for decompressing with internal fixation of AF system in treatment of forty-sev椎板间扩大开窗减压并AF系统内固定术治疗胸腰椎骨折47例