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

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

???6?29?? ?????????,6?????????20??????,?91????????????,????????????2.6?????????????,?1961?????1????????????,?????????????????????(??????????????????????)???????(?)?????????????????24???,???(????????)???????????????????3???,????????????????????6?29??4?????????????57.99?????????????,??0.90??????????,??1951??????1???????

6????????29??8?,??0.74~1.94?,???0.39~0.89???????????????(6????29???7????????5????),?????????,????????????????7??????2???0.80??????,??????????????????????7???????4?1.00?,???(??)????????????7????????5???????

????????????????,???????????,?????,??????????????????????????,??????????????????????????????????,???????????????????????????,?7?????????????;???????,?;?????????????????,??

???,????,???????,?,?????,??????????????????? ??????????????:??????????