哮喘病是慢性阻塞性肺系疾病,属难治性疾病.如何在治疗该病的思路和方法上更新观念,结合中医的优势和特点本文谈点看法.
In this paper we propose a simple yet robust secure cooperative spectrum sensing scheme with hard decision combining for Opportunistic Spectrum Access(OSA)netwo
以矮败协青早不育系及其保持系为材料,通过花药组织培养结合花培植株后代的性状观察、测配选优,筛选出具有原供体特征特性又有较高纯度和良好配组优势的花培提纯协青早A株系,