bp4????????????50???????????????????????22?????2240???綯?????????????á?
?????????????
1.???θ???????1000???
2.??Χ????????????+40?漰??????-30?档
3.???????????????80%??20??±5???????
4.????Σ???????У????????????????????????弰???糾????
5.?з?????豸????г??????????????
6.?????????????????
?????????
BP1?????????????????????????????????????迹????綯????????У????????迹????????????С????????????????裩?????????????????????綯?????????????BP1?????????????????????о???????????翹???????????????θ????????о??????????????????ɡ??????????????????????????????????????豸????????в?????????????????????????????c=0.1-0.5???????????g=0.7?????????????i2g=1.25-1.6??????????С??20?????????????????????
???????
???????bp8y?????????
???????bp1?????????