????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?,?????????????????????,?????

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

??

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