我有以下范围的numpy数据(usec时间戳的增量):array([4.312,4.317,4.316,4.32,4.316,4.316,4.319,4.317,4.317,4.316,4.318,4.316,4.318,4.316,4.318,4.317,4.317,4.317,4.316,4.317,4.318,4.316,4.318,4.316,4.318,4.316,4.317,4.317,4.318,4.316,4.317,4.317,4.317,4.317,4.317,4.316,4.319,4.315,4.319,4.315,4.319,4.315,4.316,4.319