?????2?°?????????????????????????
?????2?°汾??????? ?????2?????????????? ?????2?°汾???????
?????2?°?????????????????????????
???????????
1??????????????????????????????????Ч????????;
2?????????????????;
3???????????????????????????????????;
4??????????(505+y) * y + ∑(1~y-1) * 80; (????y???????????????????????????);
??????????????????????
??????????????????????????￡??????2???????
1????8?????? “2????????” ??ο???
(505+y) * y + ∑(1~y-1) * 80
=(505+8) * 8 + (1+2+3+4+5+6+7) * 80
=4104 + 2240
=6344
???????6347??????????????0.01%?????????????
2????13?????? “3?????????” ??ο???
(505+y) * y + ∑(1~y-1) * 80
=(505+13) * 13 + (1+2+3+4+5+6+7+8+9+10+11+12) * 80
=6734 + 6240
=12974
?????12967?????????????????0.01%
?????????
???????????????80???????????????????79???;
1?????????????????????667???????;
?????????????δ???????17???????????????????19700????;18???????????21600????;
??????????????????????????????????????????????????????????????????????????????á?
?????????????????40407?????2?????http://audiogearreviews.com/sxd2/
