主要国际期刊文章:*chinese grain supply and demand in 2010:regional perspective and policy implications.in:german agricultural research.vol 3/2005(55),p.61 – 68.(英文,sci收录论文)1/2*effects of agricultural market policy on crop production in china.in:food policy,vol... 20210311
展开全部【1】李云飞,**雁.基于ga-svm的上市公司财务评价模型研究.燕山大学学报(自然科学版).2011,35(2):184-188 【2】li yun-fei,chen yan-mei.the empiricial research of l**ted company financial d**tress prediction based on financial **rmation.20...
1.xie,yun,james r.kiniry,jimmy r.williams.the almanac model's sensitivity to input variables.agricultural systems,2003,78:1-16 2.xie,y.and j.d.liu.impact of climate on grain yields in china during 194...
展开全部(1)zeng r s,luo s m,shi m b.allelopathy of aspergillus japonius saito on crops.agronomy journal.2001.93(1):60-64.(sci核心期刊论文,05年影响因子1.473) (2)zeng r s,luo s m,shi y h.physiological and biochemical ...