??2????????????2? (?? ??????????????)??(?????????????)?2????1?,??????????

?????????????????,?????2???????????????????1????????????,??,???????

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

????????????2??????????????1?,???????????????????????????????????90%??

2?2?????????????,????????????,??(?????) ?????????????????????????????:???????????????????? “????????”????

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

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

2??????

3????????????????

4??????

5???????

??2????????????2? (?? ??????????????)??(?????????????)?2????1?,??????????

?????????????????,?????2???????????????????1????????????,??,???????

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

????????????2??????????????1?,???????????????????????????????????90%??

2?2?????????????,????????????,??(?????) ?????????????????????????????:????????????????????