???8????????????????20??????? ??????“?????????????”????????????????,??«?????????????????????????????:??????»«??????»«??:??????,??????»«?????????????????????????????»,?????,?????????????????????

“??????”?????????????????? ???

????????,“????”???????????????????20???????????,??,??,??,????????,????????????,?????????????,??????????????????????????????????,??????????????????????

??????,???????,??????;??????????????,???????????????,?????????????????,?????????,?????????????,???????,?????????,????????????????,??????????«??????????????????»?????,????????,?????????????,????????????

“??????”??????? ??????????????

????????????????,?????????,“?????”???????????????,??,???????????????????????????,????????,?????????,?????????????(??????????????????)

???????:?? “????”_????

?? “??”???????????? ??????

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

2?????vx

3????????

4????????

5??????????

???8????????????????20??????? ??????“?????????????”????????????????,??«?????????????????????????????:??????»«??????»«??:??????,??????»«?????????????????????????????»,?????,?????????????????????

“??????”?????????????????? ???

????????,“????”???????????????????20???????????,??,??,??,????????,????????????,?????????????,??????????????????????????????????,??????????????????????

??????,???????,??????;??????????????,???????????????,?????????????????,?????????,?????????????,???????,?????????,????????????????,??????????«??????????????????»?????,????????,?????????????,????????????

“??????”??????? ??????????????

????????????????,?????????,“?????”???????????????,??,???????????????????????????,????????,?????????,?????????????(??????????????????)

???????:??