?????????2???16????????? ???????????????????,??16???????????,??????“???”,???????

????????,??????????????????,?????

???????????????,??“??”,?,??????????????????

??????????????????:???? ??“?????????”

?? ????????“????”,?????????

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

2???????

3????????

4??????vx

5?????95????

?????????2???16????????? ???????????????????,??16???????????,??????“???”,???????

????????,??????????????????,?????

???????????????,??“??”,?,??????????????????

??????????????????:????