?????:?????????????????? ?????????? ???????????ú? ??д?????????????λ?????“????????????????????”?????????????????????????????????????????????????翪???????????????????????????????????????????????????????????(??50???)??? ???????140?????????140????????140*4+20=580?????????????????116??11600????????4??????1??????????11600*5=58000?????????????????3????????????????????????????????????????5??8?????!?????????????????????????????ν??????м??(80????????80??1200?????80?????2000???)100%??????????????2??С????????磬?????л?????л??С10?????????к???????л???10????????????л???????10???????????????????????????????????????????????????д??б??磺141??????6???????????и?141?????????????100%?????????????????????????????2??С???????6????????????????????6????????и?????????????飬???β???3?????????????軨??6000???????????????11600??????11600???+3?????6000???=29200?????141???????????????????????+4????????????????????????飬????????????! ?????141??????????????????????仰??????????????С???????????73??????????????95?????????1200??????????????????????????95???????????????????????????????????????90%???????????????? ??95???????????????????????????????????????????????????????????????????????????!!! ?????3??????10%??3?????????????3??3???????????29200??????3800?????????????????6?飬??????1??(+20%???????????????) ????? 0 50 100 200 400 600 800 1000 3150??? ?????? 200 300 400 500 600 700 800 900 4400??? 6??????1350+1???????200=1550???????????????342??????2?????350???????????????2250??????1550???+?????3?????260?????????20???????????40???????5????????????73?????????????????????????????40?????????????????????20??????????95?????????????????????????????????????????????????????????????????? ??????????? ?????????????40407?????????http://www.audiogearreviews.com/dhsx/ ?????α????????? |