??????7???????????23?? (?? ??)7????????24?,??????????????“?”??????“??????????”?????????,????????“?????????”,????

?,????????????7?????????25??????,???7?24?,??7??24?????7???26????,???7????????26????,?,?????????7??25???,???????????????“????????”????,????????????????????????????????????????????-??????????“781”????,????“??,????”??

???????????????????????????????????????????????????????

??????????????????????????????????????????(????????????????????“??”)?????????????????????????,????,??????4?(????????????)??,????????,????1?????????(?“???????”)?????????????,???????????????,????(??“?”?“????????????”?“NONRFD”??????)?

??,?????????????????????????????????????????;???????????????????????????,???????,????-????????????????,??,????????(??????) ????????????????:????????????????????? ??“?????????????”????

?? ?????“??????”??

????:1??????????????:?????

2???????????

3?????????

4???????

5?????

??????7???????????23?? (?? ??)7????????24?,??????????????“?”??????“??????????”?????????,????????“?????????”,????

?,????????????7?????????25??????,???7?24?,??7??24?????7???26????,???7????????26????,?,?????????7??25???,???????????????“????????”????,????????????????????????????????????????????-??????????“781”????,????“??,????”??

???????????????????????????????????????????????????????

??????????????????????????????????????????(????????????????????“??”)?????????????????????????,????,??????4?(????????????)??,????????,????1?????????(?“???????”)?????????????,???????????????,????(??“?”?“????????????”?“NONRFD”??????)?

??,?????????????????????????????????????????;???????????????????????????,???????,????-????????????????,??,????????(??????) ????????????????:?????????????????????