111 can be obtained from its largest prime number factor, 37, like so: First, subtract 37 from its reverse (73) and you get 36.
111可以从它的最大素数因子37来获得，就像这样：先把37的颠倒数73减去37，就会得到36。
2
That positive factor is now going into reverse.
该积极因素现在转向反面。
3
As a critical factor of telomerase activity, much progression has been achieved in the study of regulation of human telomerase reverse transcriptase, but the detail mechanism is still not clear.