Selecting parents with medium genetic distance may probably gain stronger heterosis.在亲本选配时,应选择遗传距离中等偏大的材料.He made splendid achievements in starting and promoting the use of hybrid heterosis.他在水稻杂交优势利用的开创和发展方面成就卓越....
“好吧，你说什么都行，”他和气地同意了。"OK, whatever you say," he had agreed peaceably.下坡路上很少有落脚点和气地.The road downward has but few landings and level places.他和气地对付所有的这些人, 在找借口推托上变得很熟练了.He met them all blandly, becoming deft in excuse....
In this paper the mechanism, conditions and alcoholysis reaction about halogenatedsilane were emphatically discusser.本文着重讨论了卤代硅烷醇解反应的机理 、 条件与应用.The method of preparing antioxidant DLTP directly by alcoholysis and the opt...