?? ?????????????????
????:1??????????:??????
2???????
3???????????
4???????????
5??????
?10??30?? ?????????,10???28??????,???“?”??????,???????????????????????????????????16????????,????0.20~4.55?????????,????,???????????????????????????????????7???,???0.17~2.05??????????,????1956???????
10?????????????30?????????,?????????????,???,?????????????????????????,???????????????,???????????????;?????????????????????????,???,???????????;???????????????????????????????????????????????????????????????,??12.04????????,???0.7~2.5???????,?????
?,??????????????????,????????????3????? ???????:??