BP1????????????50???????????????????????2.2?????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?????????????????????
???????
???????BP4?????????
?????????????????????