大豆作为我国重要的油料作物，被广泛的用于社会生活的各个领域。但近年来，大豆病害的频繁爆发和无节制的蔓延已成为影响大豆产量和品质的重要原因，尤其以大豆灰斑病所造成的损失
Feature selection has attracted a great deal of interest over the past decades. By selecting meaningful feature subsets, the performance of leaing algorithms ca
The maximum ocean depth so far reported is about 11000 m, and is located in the Mariana Trench in the Weste Pacific Ocean. The hybrid unmanned underwater vehicl
Music can trigger human emotion. This is a psychophysiological process. Therefore, using psychophys-iological characteristics could be a way to understand indiv
本实验以吉粳88和杂草稻ZCD13杂交所获得的F2：3群体及其亲本为试验材料,利用108个F2：3群体进行了遗传图谱的绘制,并结合对F2：3群体芽期和幼苗时期的耐盐碱性的鉴定结果,进行了QTL基因定位。其研究结果如下：1.对F2群体及亲本田间性状中的调查中,F2群体田间性状的存在超亲现象,结实率与亲本低,但千粒重比亲本高,其他田间性状都介于亲本之间。2.绘制了包含96个SSR分子标记的连锁图谱,该