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

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

??2?17? ??,????17???

?????????10????????????(2?????7-16?),???????????????????,????????

?10??,????????????,??????1~2?,???????????????????3???

?10??(2?17-26????????????),?????????????????????????????10~30?,???????????????????????40~80??,?100?????????,??4~8????????????????,???????????

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

???????10???????,??????,?????????,????,????????????????1~2??

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

17???????,??,?????????4~6???????????????????????????????????????????4~6???????????????7~8??????????;???????????????????7????????????8????,???????????????????8???????????9??

17-23????????????????,????,???????????

????????????????11-14??????(2??27??3??????2??),?????????????????????????????5~15??????,????20????;??

??10??,????,?????????40~80?,???????????????????100??????,?4~8????17-23??,???????,?????????????

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