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

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

3??????vx

4??????????

5??????v

???10???12? (???????????? ??? ???)12???,????????,?,?????????

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

“??????????????????,???????????,????”?,????13????????????“?+??????????”?,?????????????????????????????????????????????????????????

???????,???,??????,????,????????????????????87%,?????

?????????,??,????????????????????????“?????????????”??????,????????????????????????????,???????????????????“????????????”?17?,?????????????,????????????????????????,???

????,???54?,?????????22?????????????????,?????????????“?????+?????????????????+?????”??“??????????”????????????????????????,???????2000?,??????????????????85??,???????????100%?

????????,??,??????????,????????,?????,????????????????????????????????????????(????)

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