1.????????+1 ????1?θ?????????????????????????20%
2.????????+2 ????2?θ?????????????????????????40%
3.??????? ??η????????????????????????????????30%
4.??????+10% ???????????10%
5.??????+20% ???????????20%
6.??????+30% ???????????30%
7.??????+40% ???????????40%
8.??????+50% ???????????50%