?? ??????????????????
????:1?????:????
2????????????
3????????????
4???????????
5??????????
?12???16?????? (? ????)?????????16??????????
12?????16????????????,?????????????????????? ????? ?????? ????????,“??????”??,“??”?????????“????????”?,????;?“??????????????????????????????”??
?????“????,????”???,??????“??????????????????????????”????,?????????????????????????????,???????????,????37?????
????“1+1+4”??19????,??????????????????,?????“???????????????????????”?,?????????“??????”“?????”“???”“??????????????”???????????????????????;??????????????????????,???????????????,??????????????(??????????)
?????:???????