it has been demonstrated that 的意思?如：For example,it has been demonstrated that rapid response leads to a greater li kelihood of arrest only if responses are in the order of 1-2 minutes after a ca ll is received by the police.在这句话中it has been demonstrated
问题描述：
it has been demonstrated that 的意思?
如：For example,it has been demonstrated that rapid response leads to a greater li kelihood of arrest only if responses are in the order of 1-2 minutes after a ca ll is received by the police.
在这句话中it has been demonstrated
答
经证明...
答
据论证……
答
经证实,经证明的意思
答
"已证实" 的意思