?λ???????????????????????-??????
?λ????λ????÷?,?λ??????????,?λ????????ν?????
?λ???????????????????????-??????
??????--?????ɡ?
??????????????????????????????????裬??????????????????棬??????
????????????????????????????????????о???????????????????????100?????????????????
?????????????????????50???????????С???????90????????????80????(70-90)
?????????????????????50.?????????????????????????????????????????
????衣???????????180??90?????210??
???????????190??70????228??90????266???????е??????м??????300???
????????????200??80?????240?????????240??????????200??????????????
??????檔70???????420??71-80??490??81-90??560??90????630-700??????н?????????????
????????90????420??90????490??
?????????80????????60??100????????70???????
?????????????????50-60????????????????2???????????????????????????????????????????????????????????????????????????????ι????????????????????????????????????
???衢????????????????200?????????60-70????????????1????3???????????????????????
?????楨??????420-700??????????????7-10????????????????
??????????????м???????????????????????????????????????????????????????????????????????????????????????
?????????????100??????????????70?????????90+????????
???????????????70+50+210+320+240+630+490=2010??2010/7=287??287/70=4.1?????????????????
????????????????Ч??????????????м???????????20%?????2010*1.2=2412??2412/7=345??345/70=4.9?????????????????????????????????????????????????????м??????????
????????????????40407?λ??????????????http://austindefensivedrivingonline.com/shouyou/mhxy/
