She became almost obsessional about the way she looked.她对自己外表的关注近于强迫。She is obsessional about cleanliness.她有洁癖。He is obsessional about tidiness.他过分爱干净....
He is obsessional about tidiness.他过分爱干净.She is obsessional about cleanliness.她有洁癖。She became almost obsessional about the way she looked.她对自己外表的关注近于强迫。Obsessional personalities commonly ruminate excessively about death.有...
用木薯茎切段及顶芽作为外植体,诱导木薯愈伤组织的形成.Callus was induced from explants of cassava stem with bud and shootlet.结果表明:培养基pH6.5或培养温度20℃时外植体褐化率最低.The browning rate was the lowest at pH 6.5 or 20℃.结果表明:外植体为胚轴出愈速度快 、 质量好且分化率高.The results s...