ahd 铝
year:2007:del:-310.0:startPrice:2815.0:rate:-11
year:2008:del:252.80000000000018:startPrice:2739.0:rate:9
year:2009:del:1355.2000000000003:startPrice:1512.3:rate:89
year:2010:del:345.0:startPrice:2134.0:rate:16
year:2011:del:395.3000000000011:startPrice:2354.3:rate:16
year:2012:del:378.4000000000001:startPrice:2172.0:rate:17
year:2013:del:-182.0:startPrice:1927.0:rate:-9
si 银
year:2007:del:0.06500000000000306:startPrice:13.26:rate:0
year:2008:del:1.3400000000000087:startPrice:17.795:rate:7
year:2009:del:0.403000000000004:startPrice:12.94:rate:3
year:2010:del:-2.994999999999994:startPrice:18.175:rate:-16
year:2011:del:17.034000000000006:startPrice:34.69:rate:49
year:2012:del:9.66500000000001:startPrice:29.745:rate:32
year:2013:del:12.079999999999995:startPrice:31.37:rate:38
year:2014:del:1.4600000000000009:startPrice:20.16:rate:7
nid 镍
year:2007:del:20400.0:startPrice:37800.0:rate:53
year:2008:del:7156.0:startPrice:27450.0:rate:26
year:2009:del:10280.0:startPrice:11045.0:rate:93
year:2010:del:782.0:startPrice:18450.0:rate:4
year:2011:del:99.0:startPrice:23900.0:rate:0
year:2012:del:7073.0:startPrice:20109.0:rate:35
year:2013:del:971.0:startPrice:17351.0:rate:5
year:2014:del:2235.0:startPrice:13560.0:rate:16
cad 铜
year:2007:del:3623.3999999999996:startPrice:5705.0:rate:63
year:2008:del:940.0:startPrice:7030.0:rate:13
year:2009:del:5320.799999999999:startPrice:3305.0:rate:160
year:2010:del:1173.6000000000004:startPrice:7378.0:rate:15
year:2011:del:1931.5999999999967:startPrice:9459.8:rate:20
year:2012:del:-365.59999999999854:startPrice:7544.0:rate:-4
year:2013:del:-637.5:startPrice:8150.0:rate:-7
year:2014:del:520.5:startPrice:7298.0:rate:7
这四种贵金属交易组合起来可以保证每年的收入 rate代表的是盈利比率
原文地址:http://www.cnblogs.com/androidGG/p/3829853.html