?? ??????=??=?? ??????????

????:1?????????:?????????
2?????????
3????????????????
4?????????
5???????
????????2??19???(??)????????????19??,“???????????????=???=?????????????????”??????????????“??=?????????????”“????=??=??????????”??,?????????
?????????????,??,???????????????,????“??”“????”???????????????????????????,????????????????????????????????????????????,??,?????????????????????????????????????????????,???????????????,??????????,?????????“??”?,???????

??????????,????????????“??????????”???,????,???????????,????,????,?????????????????????????
??????????????????,“??????????????=???????=?????”??,?????,??,??“????”,????????????,?????????????????(???)
???????????????:????