???????????? ????????0.33?

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

??6?????29??????????(?????)?29??????(?????1?):?,??????29??17?,?20.13??????,????0.33?????????;???10.13??,?0.13????????

6????27?20???29??17??????,?????1983????????50?????(?45.7%),?1015???????100???(?23.4%),??????????????415.0?????????117.9??????,??110.6??

29?????????????????18?,??????????,29??20????30?20????????????????????,?,?????????????????,???????????????????????(??,???)?(??) ??:?????????????