There is a peak about 860kbp of DSB fragments induced with 3Gy/min, which does not exist in the samples treated with 30Gy/min. It is implied that the dose rate has influence on the distribution of DSB fragments.

• 另外 ,3Gy/min辐照诱导DSB片段在 -86 0kbp处有一个片段峰 ,而 30Gy/min没有 ,说明剂量率可以影响DSB片段的分布。