" It can be viewed as the same input state plus some small background noise."

“它可以被看做是相同的输入状态加上一些小的背景杂音。”

" The final output state after the 'forward evolution' is essentially the same as the input state before 'backward evolution', " says Dr Sinitsyn.

‘正向进化’后的最终输出状态和‘反向进化’前的输入状态一样，”Sinitsyn博士说。