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

2??????????

3??????????

4??????????

5??????

?????????????6???17??? ??,??????17??????,?Realmeter???????,?30.1%,?66%?

????,Realmeter??????10????14?????????????18??2504???????,??????30.1%,????1.4????,????10????30%~35%??;??66%,?0.9????

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