????11?????????????23?????? ???,???????:11???21?,???????????????,?????????????????,??,??????????????????????:???,??(??????????????????,41?)?????????

????????????????,?:???????,???????????,???????????????????“??”?

??????:“??”? ??????????????????????:?? “?????????”_????

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

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

2??????????

3?????????

4????KB???

5?????

????11?????????????23?????? ???,???????:11???21?,???????????????,?????????????????,??,??????????????????????:???,??(??????????????????,41?)?????????

????????????????,?:???????,???????????,???????????????????“??”?

??????:“??”? ??????????????????????:??