??“???????????” ????

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

????????6??17?????? (?????????????? ?)??17????????????????,?????????,??6???18??,????,???????????

??,??????“??”??????6??????15???,??????????,??,?????,?????“??”??

??????????,??????????????,19??????20???21??????????????????????24?????????,?,?????150~250????????,?????????400????

??,18???,????;19???????20??,?????????????????????????????????????????????,?????????(??????40~90?)???????????????????(8~11??)?;21??24?,???????????????,??19?20?????????,?????

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