将我的博客复制一份至《海外博客》
由于数据量较大,请您耐心等待复制完成
2019 (75)
2020 (15)
1. calculate bottom : (hard to decide the big cycle and small cycle, if it is big cycle
should be the bottom)
1/3 1/2 2/3
2 calculate top:
wave 1*2.618
wave 2= wave 1*1,618