?????????????????? ??????????????? ???????????????

????1??1???1??5??????5?????

??????С?????????100??

5??????5??????????20??

??????8??????μ?????12??

?????12????????=2+4+6+8+10+12+14+16+18+20+22+24=156???

?????????????????156???

5??????????????????780???

???????????

??????????????????

??????С??????Χ???????

????????????淨(jìng)???????

?????????????40407?????????http://www.audiogearreviews.com/dhsx/

?????α???Masama??